273Alarm messages generated by the drive Alarm Cause What to do ACS800 TEMP Drive IGBT temperature is excessive. Check ambient conditions. (4210) Check air flow and fan operation. 09.04 AW 1 bit 4 Check heatsink fins for dust pick-up. Check motor power against unit power. AI<MIN FUNC Analogue control signal is below minimum Check for proper analogue control signal (8110) allowed value. This can be caused by incorrect levels. 09.05 AW 2 bit 10 signal level or failure in control wiring. Check control wiring. (programmable Check Fault Function parameter. Fault Function, see Check analogue input AI minimum value Par. 30.27) settings (parameter group 13 ANALOGUE INPUTS). ALM (xx) Drive internal alarm Check for loose connections in drive cabinet. 08.01 MSW bit 7 Write down alarm code (in brackets). Contact your local ABB representative. ANALOG IO Analog I/O error on RMIO board If AIMA-01 I/O Module Adapter is used, check (5441) RMIO board channel CH1 fibre optic cables. 09.04 AW 1 bit 8 Replace RMIO board. AP [message] Message generated by an EVENT block in the Consult the documentation or author of the Adaptive Program. Adaptive Program. AP PRG ERR An adaptive program error Download application by DriveAP 2 or set (FFD6) block parameters by panel or DriveWindow. Replace RMIO board. BACKUP USED PC stored backup of drive parameters is Wait until download is completed. (FFA3) downloaded into use. BATT FAILURE APBU branching unit memory backup battery With parallel-connected inverter modules, (5581) error caused by enable backup battery by setting actuator 6 of 09.05 AW 2 bit 12 - incorrect APBU switch S3 setting switch S3 to ON. - too low battery voltage. Replace backup battery. Note: Actuator 6 of switch S3 is normally activated (ON) during commissioning. Note: Set actuator 6 of switch S3 to OFF when APBU is stored as spare part. BR OVERHEAT Brake resistor overload Stop drive. Let resistor cool down. (7112) Check parameter settings of resistor overload protection function (parameter group 34 BRAKE CHOPPER). Check that braking cycle meets allowed limits. Check that supply AC voltage of drive is not excessive. Fault tracing 274 Alarm Cause What to do CABLE TEMP Motor cable temperature is too high (i.e. Check motor load. (4080) relative cable temperature 01.27 CABLE Check motor cable and its type. 09.05 AW 2 bit 3 TEMPERATURE is 102%). Check cable thermal model settings (parameter group 36 MOTOR CABLE PROTECTION). CALIBRA DONE Current transducer calibration completed. (FF37) CALIBRA REQ Current transducer calibration requested by Start drive. (FF36) parameter 99.07MOTOR ID RUN. CH2 COMM LOSS RMIO channel CH2 (Master/Follower link) Check fibre optic cables on DDCS channels (7520) communication error CH2s. 09.04 AW 1 bit 11 Check that fibre optic cable loop is closed. (programmable Replace fibre optic cables. Fault Function, see Check that there is one master drive and Par. 70.14) remainder are followers in M/F link (70.08 CH2 M/F MODE). Check if Master can communicate. Replace optional RDCO module. COMM MODULE Cyclical communication between drive and Check fieldbus communication status. See (7510) type Rxxx fieldbus module or between drive chapter Fieldbus control, or appropriate 09.05 AW 2 bit 11 and external control system connected to fieldbus adapter manual. DDCS channel CH0 is lost. Check group 51 MASTER ADAPTER (fieldbus (programmable Fault Function, see adapter) parameter settings. Par. 70.04 and Check group 52 STANDARD MODBUS 70.05) (Standard Modbus link) parameter settings. Check drive node address. Check that bus master is communicating and correctly configured. Check cable connections and earthings. Check fieldbus adapter connection. Check optic fibres between Advant controller (or type Nxxx fieldbus adapter) and RMIO board DDCS channel CH0. Replace fibre optic cables. DC BUS LIM Drive limits torque due to too high or too low Informative alarm. (3211) intermediate circuit DC voltage. Check Fault Function parameters. DC UNDERVOLT Undervoltage trip limit has been reached Only indication (3220) during Auto Restart. 09.05 AW 2 bit 14 DIGITAL IO Digital input error on RMIO board Replace RMIO board. (5442) 09.04 AW 1 bit 7 Fault tracing 275 Alarm Cause What to do EARTH FAULT Drive has detected load unbalance typically Check that there are no power factor correction (2330) due to external fault (earth fault in motor or capacitors or surge absorbers in motor cable. 09.04 AW 1 bit 14 motor cable) or internal fault (damaged Check that there is no earth fault in motor or component). motor cables: (programmable Fault Function, see - measure insulation resistances of motor and Par. 30.20) motor cable. If no earth fault can be detected, contact your local ABB representative. Earth fault level can be sensitive with If no earth fault is detected, increase non-parallel-connected R8i inverter modules parameter setting 30.25 EARTH FAULT with long motor cables. LEVEL by one. EM STOP Emergency Stop has been activated either by Return emergency stop push button to normal (F081) digital input DI1 (if programmed with adaptive position. 09.04 AW 1 bit 1 programming blocks) or by 07.01 MAIN Check that Control Word is sent by external CONTROL WORD bit 1 or 2 (= 0). control system to drive. See 07.01 MAIN CONTROL WORD bits 1 and 2 or CW block (see ACS600/ACS800 Application Guide Adaptive Program for System Application Program 7.x [3AFE68420075 (English)]). Change drive status to READY: Main Control Word bit 0 is first set to 0 and then back to 1. With local and I/O control: Restart drive. ENCODER A<>B Pulse encoder phasing is wrong: Phase A is Interchange connection of pulse encoder (7302) connected to terminal of phase B and vice phases A and B. 09.05 AW 2 bit 4 versa. ENCODER ERR Communication fault between pulse encoder Check parameter group 50 SPEED (7301) and pulse encoder interface module or MEASUREMENT settings. 09.04 AW 1 bit 5 between pulse encoder interface module and Check encoder pulse number. drive. (programmable Check pulse encoder and its wiring and Fault Function, see This can be caused by loose cable connection, module and its wiring including Ch A and Ch B Par. 50.05) communication time-out, faulty pulse encoder, phasing. Sign of 01.03 SPEED MEASURED faulty pulse encoder module, or too great must be same as sign of internal actual speed difference between estimated and measured 01.02 SPEED ESTIMATED. If not, exchange actual speeds. channels A and B. Check connection between RMIO board and RTAC pulse encoder module. Check fibre optic connection between RMIO board and NTAC pulse encoder module. Check earthing of pulse encoder cable. Check for highly emissive components nearby. EXT AIO Analogue I/O error on RAIO I/O Extension Check cabinet temperature. (7081) module Replace RAIO module if alarm is continuously 09.04 AW 1 bit 10 active. EXT DIO Digital input error on RDIO I/O Extension Check cabinet temperature. (7082) module Replace RDIO module if alarm is continuously 09.04 AW 1 bit 9 active. Fault tracing 276 Alarm Cause What to do FAN OVERTEMP Fan fault of sine filter. Check the fan and replace if faulted. (FF83) Check DI2 circuit of DI/O EXT MODULE 2. FOLLOWER FLT There is an active alarm in follower drive. Check the fault loggers of follower drives to (FF7E) Note, this message is indicated in master locate drive and its alarm message. drive. Information is received via M/F link to master. ID DONE Drive has performed motor identification Continue drive operation. (FF32) magnetisation and is ready for operation. This alarm belongs to normal start-up procedure. ID MAGN Motor identification magnetisation is on. This Wait until drive indicates that motor (FF31) alarm belongs to normal start-up procedure. identification is completed. ID MAGN REQ Motor identification is required. This alarm Start Identification Magnetisation by pressing (FF30) belongs to normal start-up procedure. Drive Start key, or select ID run and start. See expects user to select how motor identification parameter 99.07 MOTOR ID RUN. should be performed: by Identification Magnetisation or by ID run. ID N CHANGED Drive ID (i.e. Modbus ID) number has been Change ID number back to 1. See section How (FF68) changed from 1. to select a drive and change its panel link ID number on page 48. INV CUR LIM Internal inverter current or power limit has Reduce load or increase ramp time. (2212) been exceeded. Limit inverter actual power or decrease line- side converter reactive power generation reference value. Check Fault Function parameters. INV DISABLED Drive DC switch has been opened while drive Close DC switch. (3200) was stopped. DC switch status of each parallel-connected 09.02 FW 2 bit 4 This diagnostics is valid only for R8i inverter inverter module can be monitored by signal 08.20 INV modules equipped with ASFC Switch Fuse 08.20 INV ENABLED WORD. ENABLED WORD Controller unit. If DC switch is not included in drive system, deactivate this function by Par. 98.12 FUSE SWITCH CTRL. Note: With R7i inverter units equipped with charging option +F272 monitoring must be active. INV OVERLOAD Inverter overload (ACS 600 only). 200% cycle Check load. (5481) load has lasted 10 seconds. Check drive dimensioning. I/O SP REF Analogue input AI1 of RMIO board has been Use analogue input AI2 for speed reference by (7281) selected for speed reference and motor setting parameter 11.01 EXT REF1 SELECT to temperature measurement when I/O control STD AI2 (98.02 = NO) or HAND/AUTO (10.07 HAND/ or AUTO) function has been selected. use RAIO Analogue I/O Extension module. See 98.06 AI/O EXT MODULE 1. Fault tracing 277 Alarm Cause What to do KLIXON Motor 1 or motor 2 overtemperature: Thermal Check motor ratings and load. (4311) switch or thermistor relay connected to digital Check cable. (programmable input has opened or overtemperature is Check PTC thermistor and thermal switch / Fault Function, see detected by PTC thermistor connected digital thermistor relay connections. Par. 31.01) input DI6. If thermistor resistance is over 4 kohm, motor temperature is too high. Wait for motor to cool down. State of DI6 returns back to 1 when thermistor resistance is between 0...1.5 kohm. Replace I/O board if voltage of selected digital input for thermal switch / thermistor relay is correct, but state of DI6 is 0 (01.15 DI6-1 STATUS or 08.05 DI STATUS WORD). Check parameter 10.05 KLIXON setting. Check Fault Function parameter. LSU DI2 OPEN LSU start is prevented. Check the interlockings in DI2 circuit in LSU. (FF96) LSU TEMP Converter IGBT temperature is excessive. Check ambient conditions. (4292) Warning is activated if temperature exceeds Check air flow and fan operation. 05.12 LSU ALARM 135 °C. Check heatsink fins for dust pick-up. WORD bit 4 Check line current against converter current. MACRO CHANGE Macro is restoring or user macro is being Wait until drive has finished task. (FF69) saved. M/F CONNECT Incompatible data type has been selected to be Change 70.09...70.11 parameter values. (7582) sent by Master drive to Follower drive(s). MOD BOARD T Overtemperature in AINT board of inverter Check inverter fan. (FF88) module. Check ambient temperature. 09.11 AW 3 bit 14 MOD CHOKE T Overtemperature in choke of liquid cooled R8i Check inverter fan. (FF89) inverter module Check ambient temperature. 09.11 AW 3 bit 13 Check liquid cooling system. MOT CUR LIM Drive limits motor current according to current Reduce load or increase ramp time. (2300) limit defined by parameter 20.04 MAXIMUM Increase parameter 20.04 MAXIMUM CURRENT. CURRENT value. Check Fault Function parameters. MOT POW LIM Drive limits motor power according to limits Informative alarm. (FF86) defined by parameters 20.17 and 20.18. Check parameter 20.17 P MOTORING LIM and 20.18 P GENERATING LIM settings. Check Fault Function parameters. Fault tracing 278 Alarm Cause What to do MOT TORQ LIM Drive limits motor torque according to Informative alarm. (FF85) calculated motor pull-out torque limit and Check torque limit parameters in group 20 minimum and maximum torque limits defined in LIMITS. group 20 LIMITS. Check Fault Function parameters. If LIMIT WORD 1 bit 0 TORQ MOTOR LIM is 1, - check motor parameter settings (parameter group 99 START-UP DATA) - ensure that ID run has been completed successfully. MOTOR FAN Acknowledgement signal is missing from Check acknowledgement circuit (35.02 FAN (7083) external motor fan control circuit. ACK DELAY). 09.05 AW 2 bit 0 Check overload protection device of motor fan. If protection has tripped, reset it. Check condition of fan bearings by rotating fan manually. Replace fan. MOTOR STALL Motor is operating in stall region due to e.g. Check motor load and drive ratings. (7121) excessive load or insufficient motor power. Check Fault Function parameters. 09.05 AW 2 bit 9 (programmable Fault Function, see Par. 30.13...30.15) MOTOR STARTS Motor identification run starts (drive is in Local Wait until drive indicates that motor (FF34) control mode). This alarm belongs to ID run identification is completed. procedure. MOTOR TEMP Motor overtemperature based on motor Check motor ratings, load and cooling. (4310) thermal model. This can be caused by Check start-up data. 09.04 AW 1 bit 3 excessive load, insufficient motor power, Check Fault Function parameter. inadequate cooling or incorrect start-up data. (programmable Check parameter 30.28 THERM MOD ALM L Fault Function, see setting. If USER MODE is selected, check Par. 30.02) parameter 30.09...30.12, 30.30 and 30.31 settings. Fault tracing 279 Alarm Cause What to do MOTOR TEMP M Measured motor 1 or 2 temperature has Check alarm limit value. (4312) exceeded alarm limit set by parameters 30.04 Check that actual number of sensors 09.04 AW 1 bit 2 MOT 1 TEMP ALM L or 30.07 MOT 2 TEMP corresponds to set parameter value (30.03 ALM L. MOT1 TEMP AI1 SEL or 30.06 MOT2 TEMP (programmable Fault Function, see AI2 SEL). Par. 30.04 or 30.07) Let motor cool down. Ensure proper motor cooling: Check cooling fan, clean cooling surfaces, etc. Check motor ratings and load. Check start-up data. Check Fault Function parameter. Check Pt100, KTY84-1xx or PTC connections of AI and AO of RMIO board or RAIO Extension module. If RAIO Extension module is used for temperature measurement, check DIP switch and parameter 98.06 AIO EXT MODULE 1 settings. MPROT SWITCH Motor overload, i.e. motor protection switch Check motor ratings and load. (4315) has opened. Check cable connections. 09.04 AW 1 bit 12 Check Fault Function parameter. (programmable Check parameter 10.11 MOT PROT SWITCH Fault Function, see setting. Par. 31.04) Check digital input status. See 01.15 DI6-1 STATUS or 08.05 DI STATUS WORD. PANEL LOSS Control panel or DriveWindow selected as Check control panel connection. Check control (5300) active control location for drive has ceased panel connector. See appropriate hardware 09.05 AW 2 bit 13 communicating. manual. (programmable Press RESET key (on control panel or Fault Function, see DriveWindow). Par. 30.21) Replace control panel in mounting platform. Check Fault Function parameter. Check DriveWindow connections. POWDOWN FILE Error in restoring powerdown.ddf file Replace RMIO board if alarm is continuously (FFA5) active. 09.05 AW 2 bit 8 POWFAIL FILE Error in restoring powerfail.ddf file during RMIO Replace RMIO board if alarm is continuously (FFA0) board power switch-off. active. 09.05 AW 2 bit 7 PP OVERLOAD Excessive IGBT junction to case temperature. Check cooling. (5482) This can be caused by excessive load at low Check inverter dimensioning. 08.07 LW 1 bit 5 frequencies (e.g. fast direction change with Increase speed reference ramp time. excessive load and inertia). Reduce load. REPLACE FAN Running time of inverter cooling fan has Change fan. (4280) exceeded its estimated life time. Reset fan run time counter (01.31 FAN ON- TIME). Fault tracing 280 Alarm Cause What to do RESTARTED Motor has been restarted with AUTO Only indication (1086) RESTART after short power failure. See 09.05 AW 2 bit 15 parameter 21.09 AUTO RESTART. SAFETY SWITCH Safety switch was opened while drive was Close safety switch. (7084) stopped (parameter 10.09 SAFETY SWITCH). 09.04 AW 1 bit 15 START INHIBI Safe torque off function has been activated Close Safe torque off function switch. (FF7A) while drive was stopped. If switch is closed and fault is still active, check 09.04 AW 1 bit 0 power supply at ASTO board input terminals. Replace ASTO board. SWC ON INHIB Drive is in ON INHIB state. Set 07.01 MAIN CONTROL WORD bit 0 first to (FF7F) 0, then back to 1. 08.01 MSW bit 6 SYNCRO SPEED Motor nominal speed setting is incorrect: Value Check nominal speed from motor rating plate (FF87) is too near synchronous speed of motor. and set parameter 99.05 MOTOR NOM Tolerance is 0.1%. SPEED exactly accordingly. This alarm is active only in DTC mode. SYSTEM START Inverter software has been started, i.e. If this alarm appears during normal operation (1087) auxiliary voltage +24 V DC is connected. of drive, check RMIO board power supply. Check +24 V DC supply circuit connections. Check for possible short cuts in +24 V DC circuit. TEMP DIF x y Excessive temperature difference between Check cooling fan. (4380) several parallel-connected inverter modules or Replace fan. 09.11 AW 3 bit 15 cooling fan failure. Check air filters. 09.18 TEMP DIF Excessive temperature can be caused e.g. by ALM WORD unequal current sharing between parallel- connected inverter modules. x (1...12) refers to inverter module number and y (U, V, W) refers to faulty phase. T MEAS CIRC Error in motor temperature measurement Check connections of motor temperature (FF91) circuit. This can be caused by broken measurement circuit. See section Temperature 09.04 AW 1 bit 6 temperature sensor or cable. sensors on page 90 for connection diagrams. (programmable Fault Function, see Par. 31.03) UNDERLOAD Motor load is too low due to e.g. release Check for problem in driven equipment. (FF6A) mechanism in driven equipment. Check Fault Function parameters. 09.05 AW 2 bit 1 (programmable Fault Function, see Par. 30.16...30.18) Fault tracing 281 Alarm messages generated by the control panel Alarm Cause What to do DOWNLOADING Download function of panel has failed. No data Make sure panel is in local mode. FAILED has been copied from panel to drive. Retry (there might be interference on link). Contact your local ABB representative. DRIVE Program versions in panel and drive do not Check program versions. See signal group 04 INCOMPATIBLE match. It is not possible to copy data from INFORMATION. DOWNLOADING panel to drive. NOT POSSIBLE DRIVE IS Downloading is not possible while motor is Stop motor. Perform download. RUNNING running. DOWNLOADING NOT POSSIBLE NO Cabling problem or hardware malfunction on Press RESET key. Panel reset may take up to COMMUNICATION panel link. half a minute, please wait. Check panel link connections. Panel type is not compatible with drive Check panel type and version of drive application program version. application program. Panel type is printed on panel cover. Application program version is stored in signal 04.03 APPLIC SW VERSION. NO FREE ID Panel link already includes 31 stations. Disconnect another station from link to free ID NUMBERS number. ID NUMBER SETTING NOT POSSIBLE NOT UPLOADED No upload function has been performed. Perform upload function before downloading. DOWNLOADING See section Function mode on page 45. NOT POSSIBLE UPLOADING Upload function of panel has failed. No data Retry (there might be interference on link). FAILED has been copied from drive to panel. Contact your local ABB representative. WRITE ACCESS Certain parameters do not allow changes while Stop motor and change parameter value. DENIED motor is running. If tried, no change is PARAMETER accepted, and alarm is displayed. SETTING NOT POSSIBLE Parameter lock is on. Open parameter lock by parameter 16.02 PARAMETER LOCK. Fault tracing 282 Alarms by number Alarm Alarm name Alarm Alarm name Alarm Alarm name number number number 1086 RESTARTED 7302 ENCODER A<>B 1087 SYSTEM START 7510 COMM MODULE 2212 INV CUR LIM 7520 CH2 COMM LOSS 2300 MOT CUR LIM 7582 M/F CONNECT 2330 EARTH FAULT 8110 AI<MIN FUNC 3200 INV DISABLED F081 EM STOP 3211 DC BUS LIM FF31 ID MAGN 3220 DC UNDERVOLT FF32 ID DONE 4080 CABLE TEMP FF33 ID RUN SEL 4210 ACS800 TEMP FF34 MOTOR STARTS 4280 REPLACE FAN FF36 CALIBRA REQ 4292 LSU TEMP FF37 CALIBRA DONE 4310 MOTOR TEMP FF68 ID N CHANGED 4311 KLIXON FF69 MACRO CHANGE 4312 MOTOR TEMP M FF6A UNDERLOAD 4315 MPROT SWITCH FF7A START INHIB 4380 TEMP DIF x y FF7E FOLLOWER FLT 5300 PANEL LOSS FF7F SWC ON INHIB 5441 ANALOG IO FF83 FAN OVERTEMP 5442 DIGITAL IO FF85 MOT TORQ LIM 5481 INV OVERLOAD FF86 MOT POW LIM 5482 PP OVERLOAD FF87 SYNCRO SPEED 5581 BATT FAILURE FF88 MOD BOARD T 7081 EXT AIO FF89 MOD CHOKE T 7082 EXT DIO FF91 T MEAS CIRC 7083 MOTOR FAN FF96 LSU DI2 OPEN 7084 SAFETY SWITCH FFA0 POWFAIL FILE 7112 BR OVERHEAT FFA3 BACKUP USED 7121 MOTOR STALL FFA5 POWDOWN FILE 7281 I/O SP REF FFD6 AP PRG ERR 7301 ENCODER ERR Fault tracing 283 Fault messages generated by the drive Fault Cause What to do ACS800 TEMP Drive IGBT temperature is excessive. Check ambient conditions. (4210) Check air flow and fan operation. 09.01 FW 1 bit 3 Check heatsink fins for dust pick-up. Check motor power against unit power. ACS TEMP x y Excessive internal temperature in inverter Check ambient conditions. (4210) module of several parallel-connected inverter Check air flow and fan operation. 09.01 FW 1 bit 3 modules. x (1...12) refers to faulty inverter Check heatsink fins for dust pick-up. module number and y (U, V, W) refers to faulty 09.16 OVERTEMP Check motor power against unit power. phase. WORD AGDR DU/DT C Configuration mismatch. Use the same IGBT type in all parallel (5412) Different IGBT types detected between connected modules. 09.07 FW 4 bit 1 parallel-connected modules. AINT ID CONFIG Configuration mismatch. Use the same AINT board type in all parallel (5411) Different AINT board types detected between connected modules. 09.07 FW 4 bit 2 parallel-connected modules with inconsistent DC voltage measurement scaling. AI<MIN FUNC Analogue control signal is below minimum Check for proper analogue control signal (8110) allowed value. This can be caused by incorrect levels. 09.02 FW 2 bit 10 signal level or failure in control wiring. Check control wiring. (programmable Check Fault Function parameter. Fault Function, see Check analogue input AI minimum value Par. 30.27) settings (parameter group 13 ANALOGUE INPUTS). AP [message] Message generated by an EVENT block in the Consult the documentation or author of the Adaptive Program. Adaptive Program. BACKUP ERROR Failure when restoring PC-stored backup of Retry. (FFA2) drive parameters. Check connections. Check that parameters are compatible with drive. BC OVERHEAT Brake chopper overload Stop drive. Let chopper cool down. (7114) Check parameter settings of resistor overload protection function (parameter group 34 BRAKE CHOPPER). Check that braking cycle meets allowed limits. Check that supply AC voltage of drive is not excessive. BC SHORT CIR Short circuit in brake chopper IGBT(s) Replace brake chopper. (7113) Ensure brake resistor is connected and not damaged. BR BROKEN Brake resistor is not connected or it is Check resistor and resistor connection. (7110) damaged. Check that resistance rating meets Resistance rating of brake resistor is too high. specifications. See drive hardware manual. Fault tracing 284 Fault Cause What to do BR OVERHEAT Brake resistor overload Stop drive. Let resistor cool down. (7112) Check parameter settings of resistor overload protection function (parameter group 34 BRAKE CHOPPER). Check that braking cycle meets allowed limits. Check that supply AC voltage of drive is not excessive. BR WIRING Wrong connection of brake resistor(s) Check resistor connection. (7111) Ensure brake resistor is not damaged. CABLE TEMP Motor cable temperature is too high (i.e. Check motor load. (4080) relative cable temperature 01.27 CABLE Check motor cable and its type. 09.02 FW 2 bit 3 TEMPERATURE is 106%). Check cable thermal model settings (parameter group 36 MOTOR CABLE PROTECTION). CHOKE OTEMP Excessive temperature of drive output filter. Let drive cool down. (FF82) Supervision is in use in sine filter and step-up Check ambient temperature- 09.06 FAULT applications. Check filter fan rotates in correct direction and WORD3 bit 8 air flows freely. Check the DI1 circuit of DI/O EXT MODULE 2. CH2 COMM LOSS RMIO channel CH2 (Master/Follower link) Check fibre optic cables on DDCS channels (7520) communication error CH2s. 09.01 FW 1 bit 11 Check that fibre optic cable loop is closed. (programmable Replace fibre optic cables. Fault function, see Check that there is one Master drive and Par. 70.14) remainder are Followers in M/F link (70.08 CH2 M/F MODE). Check if Master can communicate. Replace optional RDCO module. COMM MODULE Cyclical communication between drive and Check fieldbus communication status. See (7510) type Rxxx fieldbus module or between drive chapter Fieldbus control, or appropriate 09.02 FW 2 bit 12 and external control system connected to fieldbus adapter manual. DDCS channel CH0 is lost. Check group 51 MASTER ADAPTER (fieldbus (programmable Fault function, see adapter) parameter settings. Par. 70.04 and Note: When COMM MODULE fault is Check group 52 STANDARD MODBUS 70.05) activated, torque selector (26.01 TORQUE (Standard Modbus link) parameter settings. SELECTOR) is set to speed control. Check drive node address. Check that bus master is communicating and correctly configured. Check cable connections and earthings. Check fieldbus adapter connections. Check optic fibres between Advant controller (or type Nxxx fieldbus adapter) and RMIO board DDCS channel CH0. Replace fibre optic cables. Fault tracing 285 Fault Cause What to do CTRL B TEMP RMIO control board temperature is out of Check cabinet air flow and fan operation. (4110) acceptable range. Environment temperature is 09.02 FW 2 bit 7 too high (> 80°C). CURR MEAS Current transformer failure in output current Check current transducer connections to Main (2211) measurement circuit Circuit Interface Board, AINT. CUR UNBAL x Drive has detected excessive output current Check motor and motor cable circuit. (2330) unbalance in inverter unit of several parallel- Check that there are no power factor correction 09.13 CURRENT connected inverter modules. This can be capacitors or surge absorbers in motor cable. UNBALANCE caused by external fault (earth fault, motor DO NOT change parameter 30.25 EARTH fault, motor cabling fault, etc.) or internal fault 09.01 FW 1 bit 4 FAULT LEVEL setting. (damaged inverter component). x (1...12) refers to faulty inverter module number. Check contents of APBU branching unit data logger. Contact your local ABB representative. DC HIGH RUSH Drive supply voltage is excessive. DC voltage Check supply voltage level, rated voltage of (FF80) rises too fast for overvoltage controller (if used) drive and allowed voltage range of drive. 09.06 FW 3 bit 11 to react. When supply voltage is over 124% of unit voltage rating (415, 500 or 690 V), motor speed rushes to trip level (40% of nominal speed). DC OVERVOLT Excessive intermediate circuit DC voltage. This Check that overvoltage controller is on (3210) can be caused by (parameter 30.23 OVERVOLTAGE CTL). 09.01 FW 1 bit 2 1. Static or transient overvoltages in mains. Check mains for static or transient overvoltage. 2. Faulty brake chopper or resistor(s) (if used). Check brake chopper and resistor(s) (if used). 3. Too short deceleration time (if there is no Check deceleration time. brake chopper or regenerative incoming section). If regenerative incoming section is used, check 4. Internal fault in inverter unit. that diode mode is not forced during deceleration: Check that TSU 07.01 Main DC overvoltage trip limit is 1.3 × 1.35 × U1max, Control Word bit 9 status is FALSE. where U1max is maximum value of input voltage range. Use coast to stop function (if applicable). Check DC voltage level and inverter nominal Unom of UDC overvoltage U1max voltage. inverter unit trip limit Retrofit frequency converter with brake 400 V 415 V 728 V DC chopper and brake resistor(s). 500 V 500 V 877 V DC 690 V 690 V 1210 V DC DC UNDERVOLT Intermediate circuit DC voltage is not sufficient Check mains supply and fuses. (3220) due to missing mains phase in diode rectifier With standard drive hardware: 09.02 FW 2 bit 2 bridge. Check that RUN ENABLE signal connected to DC undervoltage trip limit is 0.6 × 1.35 × U1min, digital input DI2 is active (1 = active) when where U1min is minimum value of input voltage inverter is powered. range. Unom of UDC undervoltage U1min inverter unit trip limit 400 V 380 V 308 V DC 500 V 380 V 308 V DC 690 V 525 V 425 V DC Fault tracing 286 Fault Cause What to do DDF FORMAT File error in flash memory Replace RMIO board. (FFA6) 09.03 SFW bit 3 EARTH FAULT Drive has detected load unbalance typically Check that there are no power factor correction (2330) due to external fault (earth fault in motor or capacitors or surge absorbers in motor cable. 09.01 FW 1 bit 4 motor cable) or internal fault (damaged Check that there is no earth fault in motor or component). motor cables: (programmable Fault Function, see - measure insulation resistances of motor and Par. 30.20) motor cable. If no earth fault can be detected, contact your local ABB representative. Earth fault level can be sensitive with non- If no earth fault is detected, increase parallel-connected R8i inverter modules with parameter setting 30.25 EARTH FAULT long motor cables. LEVEL by one. EM STOP DEC Motor speed is not within defined limits during Check parameter 21.05 EM STOP DER MAX L (F082) emergency stop deceleration. and 21.07 EM STOP DEC MON DEL settings. 09.04 AW 1 bit 13 Check load. ENCODER A<>B Pulse encoder phasing is wrong: Phase A is Interchange connection of pulse encoder (7302) connected to terminal of phase B and vice phases A and B. 09.06 FW 3 bit 10 versa. ENCODER ERR Communication fault between pulse encoder Check parameter group 50 SPEED (7301) and pulse encoder interface module or MEASUREMENT settings. 09.02 FW 2 bit 5 between pulse encoder interface module and Check encoder pulse number. drive. (programmable Check pulse encoder and its wiring and Fault Function, see This can be caused by loose cable connection, module and its wiring including Ch A and Ch B Par. 50.05) communication time-out, faulty pulse encoder, phasing. Sign of signal 01.03 SPEED faulty pulse encoder module, or too great MEASURED must be same as sign of internal difference between estimated and measured actual speed 01.02 SPEED ESTIMATED. If actual speeds. not, exchange channels A and B. Check connection between RMIO and optional RDCO module. Check fibre optic connection between RMIO board and NTAC pulse encoder module. Check earthing of pulse encoder cable. Check for highly emissive components nearby. FACTORY FILE Factory macro parameter file error Replace RMIO board. (FFA7) 09.03 SFW bit 0 FLT (xx) Drive internal fault Check for loose connections in drive cabinet. 08.01 MSW bit 3 Write down Fault code (in brackets). Contact your local ABB representative. FOLLOWER FLT A fault active in follower drive. Check the fault loggers of follower drives to (FF7E) Note, this message is indicated in master locate faulty drive and its fault message. drive. Information is received via M/F link to master. Fault tracing 287 Fault Cause What to do GD DISABLED X ASTO power supply of parallel-connected R8i Check Safe torque off function circuit. (FF53) inverter module has been switched off during Replace ASTO board of R8i inverter module. run. X (1...12) refers to inverter module 09.06 FW 3 bit 6 number. ID RUN FAIL Motor ID run is not completed successfully. Check nominal motor values from parameter (FF84) group 99 START-UP DATA. 08.01 MSW bit 3 Check that no external control system is connected to drive. Switch off auxiliary voltage supply from RMIO board and power-up drive again. Check group 20 LIMITS parameter settings. 20.02 MAXIMUM SPEED should be at least 80% of 99.05 NOMINAL SPEED. Check that no limits prevent ID run. Restore factory settings and try again. Check that motor shaft is not locked. ILLEGAL INST Operating system error Change RMIO board of RDCU control unit. (FF5F) 09.03 SFW bit 11 INT CONFIG Number of R8i inverter modules recognized by Check status of inverters. See signal 08.22 INT (5410) application program during PPCC link CONFIG WORD. 09.06 FW 3 bit 7 configuration is not equal to original number of Check fibre optic cables between APBU and inverters. inverter modules. Check inverter modules which are not recognized by application program. If reduced run function is used, isolate faulted inverter module from main circuit and write number of remaining inverter modules to parameter 16.10 INT CONFIG USER. Reset drive. See section Reduced run function on page 86. INV DISABLED DC switch has opened while drive was running Close DC switch. (3200) or start command was given. DC switch status of each parallel-connected 09.02 FW 2 bit 4 This diagnostics is valid only for R8i inverter inverter module can be monitored by signal modules equipped with AFSC-0x Fuse Switch 08.20 INV ENABLED WORD. Controller unit. If DC switch is not included in drive system, deactivate this function by Par. 98.12 FUSE SWITCH CTRL. Note: With R7i inverter units equipped with charging option +F272 monitoring must be active. INV OVERLOAD Forced cooling cycle for inverter is active after Load is too high. (5481) the overloading cycle 10 / 60 s. Check the dimensioning and process. 09.05 AW 2 bit 2 Fault tracing 288 Fault Cause What to do IO COMM ERR I/O communication fault. This can be caused Option slot installation (RAIO, RDIO, RTAC): (7000) by faulty I/O unit, defective fibre optic cable - Check option module status LED (WD/INIT, 09.02 FW 2 bit 6 connection or incorrect module identification yellow). LED is lit when drive is configuring number (if I/O extension modules are present module during power-up. If LED does not go via optic link). out after one second, configuration has failed. - Check option module connections. - Check connection between option module and RMIO board. - Change option module. - Switch drive supply power off and on again. I/O Module Adapter installation (AIMA-01): - Replace fibre optic cables. - Check node ID of extension I/O module. - Check light intensity of fibre optic channels on AIMA-01 adapter. See I/O Module Adapter AIMA-01User’s Manual [3AFE 64661442 (English)]. - Replace I/O module adapter / extension unit(s) if fault is still active. KLIXON Motor 1 or motor 2 overtemperature: Thermal Check motor ratings and load. (4311) switch or thermistor relay connected to digital Check cable. 09.01 FW 1 bit 5 input has opened or overtemperature detected Check PTC thermistor and thermal switch / by PTC thermistor connected digital input DI6. (programmable thermistor relay connections. Fault Function, see If PTC thermistor resistance is over 4 kohm, Par. 31.01) motor temperature is too high. Wait for motor to cool down. State of DI6 returns back to 1 when thermistor resistance is between 0…1.5 kohm. Replace I/O board if voltage of selected digital input for thermal switch / thermistor relay is correct, but state of DI6 is 0 (01.15 DI6-1 STATUS or 08.05 DI STATUS WORD). Check parameter 10.05 KLIXON setting. Check FAULT FUNCTIONS parameters. LINE CONV Line-side converter fault Shift panel from motor-side converter control (FF51) board to line-side converter control board. 09.06 FW 3 bit 3 See line-side converter firmware manual for fault description. LSU CHARGING DC link voltage is not high enough after In LSU: (3284) charging. Check charging circuit fuses. 05.11 LSU FAULT DC link voltage has not exceeded minimum Check charging circuit. WORD bit 0 limit or current is not below preset limit. Check possible short circuit in DC link. Faulty PPCC link (DC voltage measurement is Check undervoltage trip limit (parameter 30.12 zero). DC UNDERVOLT TRIP). Check PPCC link. See fault message PPCC LINK. Fault tracing 289 Fault Cause What to do LSU COMM Cyclical communication between INU and LSU Check optic fibres in RDCU units between INU (7581) is lost. - LSU. 05.11 LSU FAULT Replace fibre optic cables. WORD bit 10 Check that following parameters have similar selection (e.g. WIDE - INU COM WIDE or LIMITED - INU COM LIM) 95.05 LSU COMM SEL in INU 98.02 COMM MODULE in LSU. LSU DC OVOLT Excessive intermediate circuit DC voltage. This Check level of supply voltage, DC voltage and (3283) can be caused by converter nominal voltage. 05.11 LSU FAULT - static or transient overvoltages in mains, or Check DC overvoltage trip limit (parameter WORD bit 15 - excessive supply voltage during 30.11) in LSU. synchronisation. Default trip limit is 427 V DC for 240 V units, 740 V DC for 415 V units, 891 V DC for 500 V units and 1230 V DC for 690 V units. LSU DC UVOLT Intermediate circuit DC voltage is not sufficient Check supply and converter fuses. (3282) because of due to missing mains phase, blown Check supply voltage. 05.11 LSU FAULT fuse or converter internal fault. Check DC undervoltage trip limit (parameter WORD bit 14 Default trip limit is 170 V DC for 240 V units, 30.12 BREAK POINT ) in LSU. 293 V DC for 415 V units, 354 V DC for 500 V units and 488 V DC for 690 V units. LSU EARTH F Earth fault in earthed/grounded network. Check converter and LCL filter for earth (2383) Sum of line currents measured with internal leakages. 05.11 LSU FAULT current transducers is too high. Check motor. WORD bit 12 Earth (ground) fault in LCL filter, converter, DC Check motor cables. link, inverter(s), motor cables or motor, or Check inverter(s). current imbalance in parallel connected Earth (ground) fault detection can be too converters. sensitive. Check parameter 30.03 EARTH FAULT LEVEL settings in LSU. Check converter fuses (parallel connected converter modules). LSU EXT DI1 Overtemperature monitoring with thermal Check all acknowledge circuit connections to (1082) switches (KLIXON) in DI1 circuit. This digital input DI1 in LSU. 05.11 LSU FAULT supervision is active only when converter is in WORD bit 5 RDY_RUN state (i.e. 08.01 MAIN STATUS WORD bit 1 = 1). LSU EXT DI4 LSU digital input DI4 fault. Check digital input DI4. (1080) Check parameter 30.04 DI4 EXT EVENT 05.11 LSU FAULT setting. WORD bit 4 LSU EXT DI5 LSU digital input DI5 fault. Check digital input DI5 circuit. (1081) Check parameter 30.05 DI5 EXT EVENT and 05.11 LSU FAULT 30.10 DI5 TRIP DELAY settings. WORD bit 2 Fault tracing 290 Fault Cause What to do LSU INTERNAL Internal fault Write down the fault message from LSU fault (1083) log and contact your local ABB representative. 05.11 LSU FAULT WORD bit 8 LSU MAIN BR LSU main contactor / main breaker is not Check main contactor / main breaker control (2384) functioning properly, or there is a loose/bad interlocking circuit. 05.11 LSU FAULT connection. Check main contactor operating voltage level WORD bit 6 (should be 230 V). Check digital input DI3 connections. LSU NET VOLT Main supply voltage is out of acceptable range Check main supply voltage. (3285) during synchronisation or Line-side Restart unit. 05.11 LSU FAULT Identification. Trip limits is 115 V for 230 V WORD bit 9 units, 208 V for 415 V units, 250 V for 500 V units and 345 V for 690 V units. LSU OVERCURR Excessive input current at LSU. There are two Check motor load. (2380) overcurrent trip limits: Check supply voltage. 05.11 LSU FAULT - 0.98 converter maximum current (parameter Check that there are no power factor WORD bit 1 04.08 ) compensation capacitors in supply. - approximately 190% of converter nominal Check converter power semiconductors current (parameter 04.05). (IGBTs) and current transducers. LSU OVERTEMP LSU converter IGBT temperature is excessive. Check ambient conditions. (4291) Trip level is 140 °C. Check air flow and fan operation. 05.11 LSU FAULT Check heatsink fins for dust pick-up. WORD bit 3 Check line current against converter current. LSU SC Short circuit fault Measure resistances of converter power (2381) semiconductors (IGBTs). 05.11 LSU FAULT If faulty IGBTs are found, replace IGBTs and/or WORD bit 7 INT and/or NGDR boards or converter module. Check main circuit. LSU START Syncronisation failed. Not synchronised within Check grid distortion situation. (FF97) 7 seconds. LSU SYNCHRO Synchronisation to supply network has failed. Perform Line-side Identification routine again. (8180) Supply frequency has changed remarkably See parameter 99.07 LINE SIDE ID RUN in 05.11 LSU FAULT since sine-sidei identification routine. LSU. WORD bit 13 Check 3 phase supply to LSU. MOD BOARD T Overtemperature in AINT board of inverter Check inverter fan. (FF88) module. Check ambient temperature. 09.06 FW 3 bit 14 MOD CHOKE T Overtemperature in choke of liquid cooled R8i Check inverter fan. (FF89) inverter module Check ambient temperature. 09.06 FW 3 bit 13 Check liquid cooling system. Fault tracing 291 Fault Cause What to do MOTOR FAN Acknowledgement signal is missing from Check acknowledgement circuit (35.02 FAN (7083) external motor fan control circuit. ACK DELAY). 09.06 FW 3 bit 0 Check overload protection device of motor fan. If protection has tripped, reset it. Check condition of fan bearings by rotating fan manually. Replace fan. MOTOR PHASE One of motor phases is lost due to fault in Check motor and motor cable. (FF56) motor, motor cable, thermal relay (if used) or Check thermal relay (if used). 09.02 FW 2 bit 15 internal fault. Check Fault Function parameter. Deactivate (programmable protection. Fault Function, see Fault can also appear with small motors Par. 30.19). (< 30 kW) at low speed. Deactivate protection in this case. MOTOR STALL Motor is operating in stall region due to e.g. Check motor load and drive ratings. (7121) excessive load or insufficient motor power. Check Fault Function parameters. 09.02 FW 2 bit 14 (programmable Fault Function, see Par. 30.13...30.15) MOTOR TEMP Motor overtemperature based on motor Check motor ratings, load and cooling. (4310) thermal model. This can be caused by Check start-up data. 09.01 FW 1 bit 6 excessive load, insufficient motor power, Check Fault Function parameter. inadequate cooling or incorrect start-up data. (programmable Check parameter 30.29 THERM MOD FLT LIM Fault Function, see setting. If USER MODE is selected, check Par. 30.02) parameter 30.09...30.12, 30.30 and 30.31 settings. MOTOR TEMP M Measured motor 1 or 2 temperature has Check fault limit value. (4312) exceeded fault limit set by parameter 30.05 Check that actual number of sensors 09.01 FW 1 bit 5 MOT 1 TEMP FLT L or 30.08 MOT 2 TEMP corresponds to set parameter value (30.03 FLT L. MOT1 TEMP AI1 SEL or 30.06 MOT2 TEMP (programmable Fault Function, see AI2 SEL). Par. 30.05 or 30.08) Let motor cool down. Ensure proper motor cooling: Check cooling fan, clean cooling surfaces, etc. Check motor ratings and load. Check start-up data. Check Fault Function parameter. Check Pt100, KTY84-1xx or PTC connections of AI and AO of RMIO board or RAIO Extension module. If RAIO Extension module is used for temperature measurement, check DIP switch and parameter 98.06 AIO EXT MODULE 1 settings. Fault tracing 292 Fault Cause What to do MPROT SWITCH Motor overload, i.e. motor protection switch Check motor ratings and load. (4315) has opened. Check cable connections. 09.01 FW 1 bit 10 Check Fault Function parameter. (programmable Check parameter 10.11 MOT PROT SWITCH Fault Function, see setting. Par. 31.04) Check digital input status. See 01.15 DI6-1 STATUS or 08.05 DI STATUS WORD. NO MOTOR DATA Motor data is not given or motor data does not Check motor data (parameters 99.02...99.06). (FF52) match with inverter data. 09.02 FW 2 bit 1 NVOS ERROR Non-volatile operating system error Replace RMIO board. (FFA8) 09.03 SFW bit 2 OVERCURRENT Output current exceeds trip limit. Check motor load. (2310) Check acceleration time. 09.01 FW 1 bit 1 Check motor and motor cable (including phasing). Check encoder cable (including phasing). Check that there are no power factor correction capacitors or surge absorbers in motor cable. If drive tripped during flying start, check that parameter 21.01 START FUNCTION is set to AUTO. (Other modes do not support flying start.) Check nominal motor values from parameter group 99 START-UP DATA to confirm motor model is correct. OVERCURR x Overcurrent fault in inverter unit of several Check motor load. (2310) parallel-connected inverter modules. x (1...12) Check acceleration time. 09.01 FW 1 bit 1 refers to faulty inverter module number. Check motor and motor cable (including 09.14 phasing). OVERCURRENT Check encoder cable (including phasing). WORD Check that there are no power factor correction capacitors or surge absorbers in motor cable. If drive tripped during flying start, check that parameter 21.01 START FUNCTION is set to AUTO. (Other modes do not support flying start.) Check motor nominal values from parameter group 99 START-UP DATA to confirm that motor model is correct. Fault tracing 293 Fault Cause What to do OVERFREQ Motor is turning faster than highest allowed Check minimum/maximum speed settings. (7123) speed due to incorrectly set minimum/ Check adequacy of motor braking torque. 09.01 FW1 bit 9 maximum speed, insufficient braking torque or Check applicability of torque control. changes in load when torque reference is used. If drive has Diode Supply Unit (DSU), check need for brake chopper and resistor(s). Check parameter 20.11 FREQ TRIP MARGIN setting. OVER SWFREQ Switching frequency is too high. This can be Replace RMIO board. (FF55) caused by electronic board hardware fault. Replace AINT board. 09.02 FW 2 bit 9 With parallel-connected inverter modules, replace branching unit. PANEL LOSS Control panel or DriveWindow selected as Check control panel connection. Check control (5300) active control location for drive has ceased panel connector. See appropriate hardware 09.02 FW 2 bit 13 communicating. manual. (programmable Press RESET key (on control panel or Fault Function, see DriveWindow). Par. 30.21) Replace control panel in mounting platform. Check Fault Function parameter. Check DriveWindow connection. PARAM CRC CRC (Cyclic Redundancy Check) error Switch control board power off and on again. (6320) Reload firmware to control board. Replace control board. POWERFAIL INT board powerfail. Check that AINT board power cable is (3381) connected. Check that POW board is working correctly. Replace AINT board. POWF INV x AINT board powerfail in R8i inverter unit of Check that AINT board power cable is (3381) several parallel-connected inverter modules. connected. x refers to inverter module number (x = 1…12). Check that POW board is working correctly. Replace AINT board. PPCC LINK AINT board current measurement or Check fibre optic cables between RMIO and (5210) communication fault between RMIO and AINT. AINT boards. 09.02 FW 2 bit 11 Fault can be masked with 30.24 PPCC FAULT If fault is still active, replace RMIO and/or AINT MASK. board. Check IGBT(s). Replace fibre optic cables. If RMIO is powered from external supply, ensure that supply is on. See parameter 16.07 CTRL BOARD SUPPLY. Check that there is no short circuit in power stage. Short circuit or overcurrent caused by faulty IGBTs can activate PPCC LINK fault. Fault tracing 294 Fault Cause What to do PPCC LINK xx AINT board current measurement or Check fibre optic cable connection between (5210) communication fault between RMIO and AINT RMIO and AINT boards. 09.02 FW 2 bit 11 in inverter unit of several parallel-connected Check cabling of branching unit. inverter modules. xx (1...12) refers to faulty If fault is still active, replace branching unit, inverter module number. RMIO and/or AINT board. Fault can be masked with 30.24 PPCC FAULT Check IGBT(s). MASK. Replace fibre optic cables. Check that there is no short circuit in power stage. Short circuit or overcurrent caused by faulty IGBTs can activate PPCC LINK fault. If fault is still active, replace inverter module. PP OVERLOAD Excessive IGBT junction to case temperature. Check cooling. (5482) This can be caused by excessive load at low Check inverter dimensioning. 08.07 LIMIT WORD frequencies (e.g. fast direction change with Increase speed reference ramp time. INV bit 5 excessive load and inertia). Reduce load. RUN DISABLE No Run enable signal received, because: Check that RUN ENABLE signal connected to (FF54) - circuit connected to digital input DI2 is open digital input DI2 is active (1 = active, i.e. circuit 09.02 FW2 bit 4 (0 = open) is closed) when inverter is powered. - of external device fault. Note: If DC switch is opened, fault RUN DISABLE is activated. SAFETY SWITCH Safety switch was opened during run Close safety switch. (7084) (parameter 10.09 SAFETY SWITCH) 09.06 FW3 bit 2 SC INV x y Short circuit (i.e. excessive output current) in Check motor and motor cable. (2340) inverter unit of several parallel-connected Check inverter module IGBTs. 09.01 FW 1 bit 0 inverter modules. x (1...12) refers to faulty If faulty IGBT module is detected, replace inverter module number and y (U, V, W) refers 09.15 SHORT IGBT module or inverter module. to faulty phase. CIRC FW SHORT CIRC Short circuit fault (i.e. excessive output current) Check motor and motor cable. (2340) 09.15 SHORT CIRC FW x (=1) refers to faulty Check inverter module IGBTs. 09.01 FW 1 bit 0 inverter module number and y (U, V, W) refers If faulty IGBT module is detected, replace 09.15 SHORT to faulty phase. IGBT module or inverter module. CIRC FW START INHIBI Safe torque off has been activated during Close Safe torque off switch. (FF7A) motor run or motor start command has been If switch is closed and fault is still active, check 08.21 START given when Safe torque off is active. power supply at ASTO board input terminals. INHIBI WORD Replace ASTO board. 09.06 FW 3 bit 5 SUPPLY PHASE DC voltage ripple in intermediate circuit is too Check mains fuses. (3130) high. This can be caused by missing mains Check if mains supply is unbalanced. 09.02 FW 2 bit 0 phase in diode bridge rectifier, or DC voltage oscillation due to thyristor rectifying (if used). Fault tracing 295 Fault Cause What to do TEMP DIF x y Excessive temperature difference between Check cooling fan. (4380) several parallel-connected inverter modules or Replace fan. 09.06 FW 3 bit 15 cooling fan failure. Excessive temperature can Check air filters. be caused e.g. by unequal current sharing 09.17 TEMP DIF between parallel-connected inverter modules. FLT WORD x (1...12) refers to inverter module number and y (U, V, W) refers to faulty phase. T MEAS CIRC Error in motor temperature measurement Check connections of motor temperature (FF91) circuit. This can be caused by broken measurement circuit. See section Temperature 09.06 FW 3 bit 4 temperature sensor or cable. sensors on page 90 for connection diagrams. (programmable Fault Function, see Par. 31.03) UNDERLOAD Motor load is too low due to e.g. release Check for problem in driven equipment. (FF6A) mechanism in driven equipment. Check Fault Function parameters. 09.01 FW 1 bit 8 (programmable Fault Function, see Par. 30.16...30.18) USER MACRO No user macro saved or file is defective. Create user macro. (FFA1) 09.03 SFW bit 1 Fault tracing 296 Faults by number Fault Fault name Fault Fault name Fault Fault name number number number 1080 LSU EXT DI4 4311 KLIXON FF51 LINE CONV 1081 LSU EXT DI5 4312 MOTOR TEMP M FF52 NO MOTOR DATA 1082 LSU EXT DI1 4315 MPROT SWITCH FF53 GD DISABLED X 1083 LSU INTERNAL 4380 TEMP DIF FF54 RUN DISABL 2211 CURR MEAS 5210 PPCC LINK FF55 OVER SWFREQ 2310 OVERCURR x 5210 PPCC LINK xx FF56 MOTOR PHASE 2310 OVERCURRENT 5300 PANEL LOSS FF5F ILLEGAL INST 2330 CUR UNBAL x 5410 INT CONFIG FF6A UNDERLOAD 2330 EARTH FAULT 5411 AINT ID CONFIG FF7A START INHIBI 2340 SC INV x y 5412 AGDR DU/DT C FF7E FOLLOWER FLT 2340 SHORT CIRC 5481 INV OVERLOAD FF80 DC HIGH RUSH 2380 LSU OVERCURR 5482 PP OVERLOAD FF82 CHOKE OTEMP 2381 LSU SC 6320 PARAM CRC FF84 ID RUN FAIL 2383 LSU EARTH F 7000 IO COMM ERR FF88 MOD BOARD T 2384 LSU MAIN BR 7083 MOTOR FAN FF89 MOD CHOKE T 3130 SUPPLY PHASE 7084 SAFETY SWITCH FF91 T MEAS CIRC 3200 INV DISABLED 7110 BR BROKEN FF97 LSU START 3210 DC OVERVOLT 7111 BR WIRING FFA1 USER MACRO 3220 DC UNDERVOLT 7112 BR OVERHEAT FFA2 BACKUP ERROR 3282 LSU DC UVOLT 7113 BC SHORT CIR FFA6 DDF FORMAT 3283 LSU DC OVOLT 7114 BC OVERHEAT FFA7 FACTORY FILE 3284 LSU CHARGING 7121 MOTOR STALL FFA8 NVOS ERROR 3285 LSU NET VOLT 7123 OVERFREQ 3381 POWER FAIL 7301 ENCODER ERR 3381 POWF INV x 7302 ENCODER A<>B 4080 CABLE TEMP 7510 COMM MODULE 4110 CTRL B TEMP 7520 CH2 COMM LOSS 4210 ACS800 TEMP 7581 LSU COMM 4210 ACS TEMP x y 8110 AI<MIN FUNC 4291 LSU OVERTEMP 8180 LSU SYNCHRO 4310 MOTOR TEMP F082 EM STOP DEC Fault tracing