ADB1400PYW0 Tech Sheet - W10461429 - Rev A

W10461429AFOR SERVICE TECHNICIAN’S USE ONLY PAGE 1 WIRING DIAGRAM WARNING Schematic Shown With Door Switch And All Other Normally Open Contacts Open. Electrical Shock Hazard Integrated User Interface *Denotes Energy Efficient Components. Do Not Substitute. Electronic Control* PC Board 150 mm x 86 mm Max. 1 2 3 4 Disconnect power before servicing. 2 - Sided, PCB MT'L CEM3 P2 In-Factory Programming -12V Beeper Some Models (On Top Surface Of PCB) Replace all parts and panels before operating. 3-Watt VEE (-12V) Failure to do so can result in death or Power VDD (N) VDD Supply Option A Option B Start Cancel Status electrical shock. REF (-5V) 5 Keys, 14 LEDs Max. Maximum Possible Resume Drain REF Motor Sense Circuit Is Programs Water Charge: Micro Pin Different For High And Low Motors Return Line From -12V Relay Coils Goes Through Door Switch SPECIFICATIONS 12V - 1.3 gal. (4.8 L) First Fill Door Open Detection Electrical Supply: Micro Pin Load (Current) Sensing Of Drain Triac, Small Triac Loads And Vent For Self-Diagnostics. (approximate) (Under load) 60 Hz, 120 VAC. 1.1 gal. (4.3 L) Other Fills e Micro Pin Supply Water Flow Rate: as Fuse F1 Lower Spray Arm Rotation: e le Control Is To fill 2 qt (1.9 L) in 25 to 40 rpm ToR Mounted To HTR-N Motor Sense Relay Overfill 7 27 seconds, 120 psi maximum, sh Console By Relay GY/BU 6 20 psi minimum. Upper Spray Arm Rotation: Pu Snaps Along K4 K3 F2 Fuse Motor Detection Analog Digital NTC OPT Foam Turbo Optional 5 25 to 35 rpm Sides & Top Micro Input Input Input SIG Drive Drive Wide BUS Connector 4 Supply Water Temperature: Rotate HTR-L1 Fuse 3 And/Or Screw Relay Pin 2 120°F (49°C) (Before starting a cycle, REPAIR KITS Tabs Along (Optional) Vinyl Touch-Up Kits: Pilot 1 run water from sink faucet until hot.) Top. K2 Relay P5 2 675576 (Blue) 1 Future Models P3 4 3 2 1 K1 676453 (White) P4 676455 (Gray) P14 P6 P7 P9 P11 P12 BU-W BU-R Temporary BK W BR P6-1 BR P6-3 BR P6-4 BR P6-6 BR P6-7 BR P6-9 V P9-1 V P9-3 V P9-5 V P9-6 R P11-1 R P11-2 R P11-3 R P11-4 Y P12-1 Y P12-2 Y P12-3 Y P12-4 Y P12-5 Y P12-6 BU P7-1 BU P7-3 BU P7-4 BU P7-6 TURQ (LBU) P14-2 TURQ (LBU) P14-1 Connector Box (must release Connection Port connector brace to remove box For Development over power connectors) Tools (And Future Pinch To Release Service Tools) Line N P3 P1 Pin 1 P3 P1 Heater Connector Brace Locks In Connectors Fill P3 P1 P3 P1 Valve* 6 5 4 3 2 1 Spare Spare Sensor O.W.I*. 3 2 1 Load Door Sw (Diverter Position) (NTC, Foam & Turbidity Sensor) NOTE: Reinstall brace and box after or service if removed. Diverter Some Models NTC/Turbidity Sensor 1-PH Sync Overfill H. L. Stat P3 P1 (Float) Switch (Some Models) Wash Motor Some Models Pump P5 P1 P3 P1 Drain 3 1 Rast Connector Pinout Motor Vent Wax Spare Motor Dispenser Sensor NTC Thermistor BK Wire W Wire Pin 1 Some Models Solenoid Future P5 OR P1 Models Most Models FUSE SERVICE CHECK: Ω Of F1 Triac Fuse Line N Dispenser Fuse F1 (small/triac load fuse) Wax Motor Check operation of loads during Service Diagnostics Cycle. If any of the triac loads work, then F1 Fuse is OK. If all triac loads fail to work, then F1 Fuse could be open. See Resistance Check. FUSE RESISTANCE CHECK: 1. Unplug dishwasher or disconnect power. DISHWASHER STRIP CIRCUITS 2. Measure resistance of F1; Fuse is on bottom The following individual circuits are for use in diagnoses. Do not continue with the diagnosis of the appliance if a fuse is blown, a circuit of control board, but can be checked from top breaker is tripped, or if there is less than a 120-volt power supply at the wall outlet. side (see Meter Check diagram). ■ Unplug dishwasher or disconnect power. - If < 3 ohms, then fuse OK. ■ Perform resistance checks. To check resistance of a component, disconnect harness leads first. - If > 3 ohms, then replace control, inspect, -2 -1 -4 7 -4 -1 -1 -1 and check resistance of all loads on fuse. If -4 -2 any loads are open, shorted, or have evidence of overheating or pinched wires, then replace them. SERVICE DIAGNOSTICS CYCLE 25 24 23 22 21 20 19 2 1 CYCLE 1 CY1 CY1 CY1 CY1 CY1 CY1 CY1 CY1 CY1 CY1 CY1 CY1 CYCLE 2 CY2 CY2 CY2 CY2 CY2 CY2 CY2 CY2 CY2 CY2 CY2 CY2 CY2 CY2 CYCLE 3 CY3 CY3 CY3 CY3 CY3 CY3 CY3 CY3 CY3 CY3 CY3 CY3 HI TEMP HIT HIT HIT HIT HIT HIT HIT HIT HIT HIT HIT HIT HIT HIT START/RESUME STA STA STA STA STA STA STA STA STA STA STA STA STA STA STA STA STA STA STA STA STA STA STA STA STA SANITIZED NOTE 4 (SAN) (SAN) CLEAN NOTES 3,4,5 CLN CLN CLN CLN CLN (CLN) (CLN) (CLN) (CLN) CLN CLN ALL OTHER CYCLE OPTION, & STATUS LEDS ALL 0:01 1:21 1:21 1:21 1:21 1:21 0:10 0:45 0:23 0:05 1:00 2:00 0:30 1:00 0:30 4:00 0:01 0:01 0:01 1:52 0:06 2:30 1:21 0:06 0:05 STANDBY 22:57 THERMISTOR (temperature sensor) CHECK INTERVAL 4 THR OWI (soil sensor) CHECK INTERVALS 5 OWI OWI OWI (NOTE: OWI has thermistor built in - see above) PILOT RELAY PLT PLT PLT PLT PLT PLT PLT PLT PLT PLT PLT PLT PLT PLT PLT PLT PLT FILL FIL FIL FIL WASH MOTOR WSH WSH WSHWSH WSHWSHWSH DISPENSER DETERGENT/RINSE AID DSP DRAIN MOTOR DRN DRN DRN DRN HEATER HTR HTR 3 4 5 5 5 5 5 SERVICE DIAGNOSTICS CYCLE NOTES ■ Invoking Service Diagnostics clears all status 3 Press Hi Temp key in this interval to clear WATER SENSING WITH OWI SENSOR (Water/Air/Soil/Temperature) and last run information from memory and customer error history. 1 To invoke the Diagnostics Cycle, perform restores defaults. It also forces the next cycle Y Pin 1 4 Thermistor (temperature sensor) checks - Electronic Control P12-6 Turbidity Drive the following while in standby: to be a sensor calibration cycle. Turn Clean LED on if thermistor is in its normal ■ Press any 3 keys in the sequence 1-2-3- ■ Last Ran cycles and options returned to Y Pin 2 temperature range of 32°F–167°F (0°C–75°C). P12-5 Foam Drive 1-2-3-1-2-3 with no more than 1 second default (Normal Cycle with Heated Dry Turn Sanitized LED on if Fill temperature is option). Y Pin 3 OWI Sensor between key presses. above 85°F. P12-4 OPT SIG ■ Last Ran Delay returns to the lowest delay ■ The Service Diagnostics Cycle will start when 5 O.W.I. (Optical Soil Sensor) Checks: Y Pin 4 increment. P12-3 VCC the door is closed. ■ Check OWI sensor for the presense of water Temperature: ■ Calibration cycle may force an extra rinse to NTC Thermistor ■ To rapid advance 1 interval at a time, press Y Pin 5 occur prior to final rinse (to assure clear during the 5-second pause in interval 16 and P12-2 REF 46 to 52K ohms @ 25°C (77°F) the Start/Resume key. Rapid advance may water), then calibrates the OWI and the fill turn on the clean LED in interval 15 if water Y Pin 6 11 to 13K ohms @ 60°C (140°F) skip sensor checks as some checks require 2 amount during the final rinse. detected. P12-1 NTC complete intervals. ■ Operating state returns to Standby upon ■ Check OWI sensor for the presense of bulk NOTE: While you are in the Diagnostic Cycle, completing or terminating the Service soil during pause in interval 13 and turn on the the Start/Resume feature is turned off (for Diagnostics cycle. clean LED in interval 12 if bulk soil detected. example, Auto Resume after door interrupts) 2 Turn on all LEDs immediately upon receiving ■ Drain until OWI sensor sees the presense of and the Start/Resume key becomes an entry sequence (even if door is open) and individual advance key. air or a max of 1:52 during interval 5 and turn throughout this first interval as a display test. on the clean LED in interval 4 if air detected. CYCLE OPERATION NOTE: Cycles shown depict typical low soil version. Cycles will vary based on sensor inputs, options selected and model. To invoke Rapid Advance mode, press and hold CYCLE SELECT for 5 seconds. Cycle LEDS 1, 2 and 3 will turn on. With Cycle Select still pressed, press START/RESUME 4 times (until only Cycle 3 LED is on). Release both keys. Press START/RESUME to advance cycle interval. Each sequence box below contains multiple intervals. DRAIN DRAIN DETER- HEATED DRAIN HEATED DRAIN HEATED HEATED HEATED DRAIN ONE HOUR FILL WASH FILL WASH FILL FILL WASH FILL FILL RINSE AID RINSE AID PAUSE3 DRY*2,3 SEQUENCE SEQUENCE GENT WASH*2 SEQUENCE WASH*2 SEQUENCE WASH*2 WASH*2 WASH*2 SEQUENCE WASH 1:15 3:45 1:03 3:45 1:03 0:18 1:12 0:45 1:03 DISPENSE DISPENSE 6:00 13:00 2:00 2:00 DISPENSE 14:00 2:00 3:00 2:00 9:00 3:00 6:30 1:35 THERMAL THERMAL DETER- WASH AND DRAIN DRAIN DRAIN HEATED HOLD*1,2 HEATED DRAIN FILL WASH WASH HOLD*1,2 FILL WASH FILL WASH FILL RINSE AID WASH RINSE AID PAUSE DRY*2,3 NORMAL GENT SOAK SEQUENCE SEQUENCE SEQUENCE WASH*2 58.5 - 60°C WASH*2 SEQUENCE 1:15 4:20 1:00 41°C (105°F) 0:15 2:24 0:34 5:40 1:03 DISPENSE 3:00 DISPENSE 6 MIN 26:00 DISPENSE 26:00 2:00 0:35 0:55 13:00 (137 - 140°F) 7:00 1:35 OR 35:00 OR 48:00 THERMAL THERMAL POTS & DRAIN WASH DRAIN DRAIN WASH DRAIN DRAIN DRAIN DRAIN HEATED HOLD*1,2 HEATED DRAIN FILL WASH FILL FILL WASH FILL FILL WASH FILL DETERGENT WASH HOLD*1 WASH FILL WASH FILL WASH FILL RINSEAID WASH RINSEAID PAUSE DRY*2,3 PANS/ SEQUENCE SEQUENCE SEQUENCE SEQUENCE SEQUENCE SEQUENCE SEQUENCE SEQUENCE SEQUENCE WASH*2 60°C WASH*2 SEQUENCE 1:15 3:45 0:15 1:03 3:45 0:15 1:03 3:45 1:03 DISPENSE 3:00 54°C (130°F) 35:00 0:18 1:12 0:45 6:00 1:03 DISPENSE 3:00 DISPENSE 6 MIN 26:00 HEAVY 2:00 0:54 0:34 2:00 0:54 0:34 2:00 2:00 2:00 13:00 (140°F) 5:30 1:35 OR 45:00 OR 48:00 *1: Thermal hold = heated wash until temperature reached or maximum time. *2: Heater not on for entire dry period. *3: If Heated Dry selected. FOR SERVICE TECHNICIAN’S USE ONLY W10461429A W10461429A FOR SERVICE TECHNICIAN’S USE ONLY PAGE 2 SERVICE DIAGNOSTICS WITH ERROR CODES CUSTOMER POTENTIAL CAUSES CHECK RELATED CUSTOMER POTENTIAL CAUSES CHECK RELATED FUNC- PROB- CAUSES WHAT TO CHECK Entry sequence: Press any 3 keys in the sequence 1-2-3-1-2-3-1-2-3 with no more than DESCRIPTION ERROR 1 second between key presses. DESCRIPTION ERROR TION LEM CODE(S) CODE(S) CODE CODE NOTE: Some models have replaced the “Clean” LED with “Completed.” Long Cycles As part of normal operation, Instruct customer. Explain thermal holds and Leaks or Drips Too many suds. 1. Allow unit to fill and wash for 1 minute. Open door Water leaking from dishwasher. Check for leaks under dishwasher. INTERVAL 18 and/or Stuck in the dishwasher pauses 2 or how the cycle pauses when they occur. on Cabinet or and check for excessive sudsing. DISPLAY TEST - ALL LEDS ON Certain Part of 3 times during the cycle for 6-3 1- Fill valve or water line plugged with Turn off water supply to dishwasher. Disconnect water Floor 2. Confirm using proper dishwasher detergent, not Cycle thermal holds and advances 6-4 Low/No debris. line to inlet valve and inspect/clean the inlet screen of fill hand detergent. once temperature is met. Water valve. ERROR 1 - MOST RECENT 3. Check for excessive rinse aid leakage. (Mecha- Clean LED will flash Clean LED will flash Suds or air in pump requires Refer to “Service Error Codes” table. Leaking dishwasher. Check door/tub gasket and all water connections nical Overfill switch stuck in “Overfill” Check other error codes to see if 6-4 also occurred. See 6-3 FUNCTION code Pause PROBLEM code Pause Repeat 3 times repeated wash periods. under dishwasher. If leak triggers a low water 6-1 Problem) position and/or dishwasher not level. 6-4 Error Code below. 5 unless advanced INTERVAL 17 (cont.) CLEAN 2 CLEAN Motor problems force cycle to Refer to “Service Error Codes” table. error, then the leak is probably not from water inlet 6-3 Fill valve electrical problem. Check other error codes to see if 6-2 also occurred. See by Start/ 4-3 If no error, Clean LED will seconds If no error, Clean LED will seconds start and stop repeatedly. connection. Refer to “Service Error Codes” table. 6-2 Error Code below. Resume key stay on solid for 5 seconds stay on solid for 5 seconds A water heating problem could Refer to “Service Error Codes” table. Unit not level (leaning forward) Check error history for Float Error 6-4. Error 6-4 is Loose connection in Fill Valve Unplug dishwasher or disconnect power and check cause long cycles but will and water surges over front lip likely to occur if unit is significantly out of level and Circuit and/or open fill valve resistances of fill valve solenoid and all connections in the 7-1 6-4 typically cause a “water during cycle. leaning forward. Refer to “Service Error Codes” 2- solenoid. fill circuit with meter. Fix/replace open connection/part. ERROR 2 table. Fill Valve heating fault.” Clean LED will flash Clean LED will flash Electrical Open fuse on control to fill valve. Refer to “Fuse Check’ on Page 1. FUNCTION code Pause PROBLEM code Pause Repeat 3 times Heater takes a long time to Check for at least 100 VAC at power source. Air pressure surge when open Instruct customer to leave door open a few minutes Problem 2 5 unless advanced door and immediately re-close it before re-closing if opened door while dishwasher Faulty Fill Valve Drive Circuit on the Unplug dishwasher or disconnect power, replace control. CLEAN CLEAN by Start/ INTERVAL 16 heat water with low voltage. seconds seconds while dishwasher is hot can force is hot. control. If no error, Clean LED will If no error, Clean LED will Resume key Incoming water too cold. Refer to “Service Error Codes” table. 6-6 stay on solid for 5 seconds stay on solid for 5 seconds droplets out of the vent duct. Too many Suds. 1. Allow unit to fill and wash for 1 minute. Open door and NTC Sensor problem. Refer to “Service Error Codes” table. 3-1 check for excessive sudsing. SERVICE ERROR CODES TABLE 2. Confirm using proper dishwasher detergent, not hand ERROR 3 Can Start a Control canceled cycle due to Refer to “Service Error Codes” table. Example: 6-1 means “Inlet Water” function, “Low/No Water” problem. detergent. Clean LED will flash Cycle, but error detected with wash 4-3 3- 3. Check for excessive rinse aid leakage. Clean LED will flash Cycle Does Not motor. Pause Pause Repeat 3 times Suds/Air in FUNCTION code PROBLEM code unless advanced Complete (and FUNC- PROB- CAUSES WHAT TO CHECK Pump Bowls or pots loaded or flipped Instruct customer on loading. Refer to Use and Care CLEAN 2 CLEAN 5 INTERVAL 15 Unit is in Sales Demo mode. Run Service Diagnostics cycle to clear Demo by Start/ Clean LED or TION LEM upside down and captured wash Guide. If no error, Clean LED will seconds If no error, Clean LED will seconds Resume key Completed May mode. water. stay on solid for 5 seconds stay on solid for 5 seconds Blink) CODE CODE 1- Control detected K1 relay stuck 1. Unplug dishwasher or disconnect power. Water leaking from dishwasher. Check for leaks under dishwasher. Will Not Drain, or Drain loop check valve not 1. Disconnect drain hose at plumbing Pilot Stuck closed. 2. Check all loads for shorts on K1 pilot relay. Overfill switch stuck in “overfill” Remove any items stuck under float. Verify that the float ERROR 4 - OLDEST Excess Water sealing. connection. On 3. Replace control and all shorted components. Left in Unit 2. Elevate hose above dishwasher and fill with position and/or dishwasher is not moves freely and hear “click” of the switch contacts Clean LED will flash Clean LED will flash 1- level. Check/adjust levelness of the dishwasher. Pause Pause Repeat 3 times NOTE: Check water. If water flows into dishwasher, replace CONTROL 2- Damaged or corrupted memory on 1. Unplug dishwasher or disconnect power. FUNCTION code PROBLEM code unless advanced INTERVAL 14 error history. If no entire drain loop (install as high as possible). 6- 2 5 Control control board. Incompatible software 2. Replace control board. Drain hose check valve not sealing. Water backs into dishwasher after draining and elevates CLEAN CLEAN by Start/ error codes for Software components inside micro. INLET If no error, Clean LED will seconds If no error, Clean LED will seconds Customer misunderstands Instruct customer. Sump will normally have water level. Resume key electrical Issue WATER stay on solid for 5 seconds stay on solid for 5 seconds water level after drain. about 1" (2.4 cm) of water remaining after cycle. 1. Disconnect drain hose at plumbing connection. problems, then (cont.) Control detected stuck key(s) in Check responsiveness of each key. 2. Elevate hose above dishwasher and fill with water. If problem is Draining problem. Refer to “Service Error Codes” table. water flows into dishwasher, replace entire drain loop mechanical. 8-1 keypad or keypad connection. If some keys do not respond, then: 2- NOTE: Control only alerts customer ■ Unplug dishwasher or disconnect power. (install as high as possible). 10 seconds pause Hi Temp LED will be on Do not replace 8-2 controls. USER 1- if Start/Resume or Cancel key is ■ Disassemble door and inspect for correct assembly of Fill valve Triac on control shorted. If still filling while the door is open, the fill valve is Press Cycle Select key to clear errors INTERVAL 13 INTER- Stuck Key stuck. If any other keys are stuck, control, console and button tree. mechanically stuck open (see below). If no fill with door Cycle will advance to next interval Detergent Not Item in lower rack blocked lid Instruct customer on proper dish loading. FACE the stuck key will be ignored and an ■ Adjust assembly to eliminate stuck keys. Reassemble open, check operation in Service Diagnostics test cycle. automatically when errors cleared. Dispensing or or blocked spray of water to error recorded to the service history, door and test each key. Advance service cycle until detergent dispenser opens. Detergent Left in dispenser. but no alert to customer. ■ If key(s) still stuck/unresponsive, replace control. 4- Float Fill valve should be off. Listen to see if dishwasher is Dispenser still filling. If still filling, unplug dishwasher or disconnect NOTE: Check Mechanical binding of 1. Unplug dishwasher or disconnect power. ■ Open connector or component 1. Check operation of temperature sensor in Service Switch Service Diagnostics Cycle dispenser lid. 2. Check/replace dispenser. Open power and replace control. INTERVALS 12-3 error history. If no in Temperature Sensing Circuit. Diagnostic cycle. Turns on loads and checks sensors error codes for 1- ■ Open or faulty temperature 2. Unplug dishwasher or disconnect power. Fill valve mechanically stuck open. Confirm dishwasher fills while door is open. If yes, then Lid latch binding due Instruct customer on proper dispenser filling. 3. Check all components and connections in the electrical Open sensor. unplug dishwasher or disconnect power, turn off water to to excess detergent in ■ Faulty temperature sensor input Temperature Sensing Circuit with meter. problems, then mechanism. dishwasher, replace fill valve, and reconnect water supply SERVICE CYCLE ERROR 1 problem is on control. and turn water supply back on. Clean LED will flash Clean LED will flash mechanical. Dispenser electrical problem. Refer to “Service Error Codes” table. 10-1 ■ Incoming water temperature 1. Check incoming water temperature. FUNCTION code Pause PROBLEM code Pause Repeat 3 times Do not replace Too many suds. 1. Allow unit to fill and wash for 1 minute. Open door and unless advanced INTERVAL 2 control. Control cancelled cycle before Refer to “Service Error Codes” table. above 167°F (75°C). 2. Check operation of temperature sensor in Service check for excessive sudsing. CLEAN 2 CLEAN 5 by Start/ ■ Shorted connection or component Diagnostic cycle. seconds seconds dispensing due to error 4-3 2. Confirm using proper dishwasher detergent, not hand If no error, Clean LED will If no error, Clean LED will Resume key detected with wash motor. 2- in Temperature Sensing Circuit. 3. Unplug dishwasher or disconnect power. detergent. stay on solid for 5 seconds stay on solid for 5 seconds Shorted ■ Shorted or faulty temperature 4. Check all components and connections in the 3. Check for excessive rinse aid leakage. Poor Wash Cycle selection of customer Instruct customer on cycle selection. sensor. Temperature Sensing Circuit with meter. not appropriate for dish load. Recommend “High Temp” option for wash 3- ■ Faulty temperature sensor input Open Fuse F1 to fill valve and other Check other error codes to see if 6-2 also occurred. SERVICE CYCLE ERROR 2 performance boost. THERMIS- on control. Triac loads. See 6-2 error code previously in this chart for open fuse Clean LED will flash Clean LED will flash TOR/ checks. Plugged or damaged screens. Inspect the following 3 screens. OWI failure. 1. Check all connections in soil sensing circuit. FUNCTION code Pause PROBLEM code Pause Repeat 3 times ■ Filter cup coarse screen OWI Incoming water under 84°F (29°C). 1. Be sure dishwasher is connected to the hot water 2 5 unless advanced INTERVAL 1 2. Check OWI lens surface. Clean if needed. CLEAN CLEAN by Start/ ■ Filter cup fine screen 3. Run Service Diagnostics to check OWI operation. supply. If no error, Clean LED will seconds If no error, Clean LED will seconds Resume key ■ Sump fine screen OWI should see low soil with clear water. Replace OWI 2. Confirm temperature at sink (recommend stay on solid for 5 seconds stay on solid for 5 seconds or control if needed. 6- 120°F (49°C). Instruct customer to run water at sink Spray arms not rotating. 1. Check if arms are blocked by dish item, Cool Water before running dishwasher. instruct customer. May also have restricted 3- NOTE: Run Diagnostics after installing new OWI to force calibration on next regular wash cycle. 3. Unplug dishwasher or disconnect power and check TROUBLESHOOTING GUIDE movement due to misalignment of the upper Failed all connections and measure resistance in Temperature NOTES: spray arm water delivery system. Calibration Drain hose check valve not sealing. Dirty water backs into dishwasher after draining. Sensing Circuit. Replace OWI if resistance is high. ■ For resistance checks, refer to “Dishwasher Strip Circuits” section. 2. Check nozzles. If plugged, clean nozzles and 1. Disconnect drain hose at plumbing connection. ■ For checking operation with diagnostics, refer to “Service Diagnostics Cycle” section. confirm filters installed properly. 2. Elevate hose above dishwasher and fill with water. If Control programmed to disable Running Diagnostics clears the control and allows the ■ For information on normal cycle and options, see “Cycle Operation” section. water flows into dishwasher, replace entire drain loop heater, but continue running cycles, heater to turn on again, but must also correct the water Poor wash due to draining, See “Will Not Drain or Excess Water Left in if it detects a water heating problem. heating problem or the control will disable the heater dispensing, and/or Unit,” or “Detergent Not Dispensing or Detergent (install as high as possible and attach to underside of countertop if possible). again. See Heater Circuit Problem below. CUSTOMER POTENTIAL CAUSES CHECK RELATED temperature problem. Left in Dispenser,” or details on temperature DESCRIPTION ERROR sensing in “Long Cycles and/or Stuck in Certain Loose connection in motor circuit 1. Check operation of wash motor during Diagnostics. Heater Circuit problem: 1. Check operation of heater in Service Diagnostics Part Of Cycle.” and/or faulty wash motor. 2. Unplug dishwasher or disconnect power. 1- ■ Open in heater. cycle. CODE(S) No Heat ■ Open connection or component in 2. Unplug dishwasher or disconnect power. Control canceled cycle due to Refer to “Service Error Codes” table. 3. Check resistances of connections in the wash circuit. 4- 3- ■ Check/fix loose connections or replace wash motor. Heater Circuit. 3. Measure resistance of heater and all components Clean LED Control programmed with Read error code from the dishwasher and refer error detected with wash 4-3 WASH Motor Not 7- and connections in Water Heating Circuit/Heat Dry Flashes self diagnostics. to Service Error Codes table. Run Service motor. MOTOR Running Faulty Control Motor Drive Circuit or 1. Unplug dishwasher or disconnect power. HEATING Circuit. Diagnostics test cycle to read full history of error Sense Circuit. 2. If meter check of Wash Motor Circuit shows normal codes. Heating problem. Refer to “Service Error Codes” table. 7-1 Faulty Heater Drive Circuit on the Unplug dishwasher or disconnect power and replace resistance and still no power getting to the wash motor, Film or Spots on Customer not using rinse aid Check rinse aid gauge level on dispenser. then replace control. control. control. Won’t Run or No power to unit or bad Check fuses, circuit breakers and junction box Power Up connection. connections. Glasses and/or or dispenser is empty. Instruct customer how to fill and monitor, add Door was not latched within Instruct customer. Refer to Use and Care Guide. Faulty Heater Drive Circuit on the 1. Unplug dishwasher or disconnect power and replace (“Dead” Keypad/ Dishes and use rinse aid. 3 seconds of pressing the 2- control. control. Console) Loose connections in 1. Unplug dishwasher or disconnect power. Start/Resume key. Heater 2. Inspect heater and connections for overheating/ Rinse aid dispenser problem. Refer to “Service Error Codes” table. 10-1 ■ No operation dishwasher power up circuit 2. Check continuity of power connections to Stuck On shorting. If evidence of overheating or shorts exists, ■ No keypad or between keypad(s) and control. Hard water leaving film on Check water hardness. If hard, instruct Loose connection in Door Switch 1. Check strike plate and door closure force. Verify door replace. response control. dishes. customer to use maximum detergent or try Circuit and/or door switch contacts seal is seated properly. Check for interference between ■ No LEDs or pouring ¹⁄₄ cup of Glass Magic into bottom stuck open and/or Door switch not dish racks and door. Try bending strike plate down for Obstructed drain hose or path. 1. Unplug dishwasher or disconnect power. Faulty user interface or If none of the above, then check/replace control. making contact: better engagement. 2. Check for blockages from sump check valve to display control. of dishwasher. Also recommend 1 HR Wash Cycle. To clean the dishwasher, recommend ■ Faulty or sloppy door latch 2. Unplug dishwasher or disconnect power. customer’s plumbing. Potential items: Won’t Run and By design, if the door Instruct customer. Refer to Use & Care Guide. running with 1 cup of white vinegar sitting 1- assembly (which can be aggravated 3. Check resistances of door switch contacts and all Plugged garbage disposal or plug not knocked Door Stuck by high door closure force, keeping connections in the Door Switch Circuit, while opening and 1- out, drain loop check valve stuck, and/or plugged hoses. LED for Start/ is opened or power is upright in upper rack. Slow Drain Resume Key is interrupted during a cycle, Open strike plate from fully seating). closing the door latch. Detergent carryover. Check water hardness. If below 10 grains, then ■ Faulty door switch (high ■ If high resistance with door closed, check/fix loose Drain pump impeller fractured. 1. Unplug dishwasher or disconnect power. Blinking Slowly the user must press the 2. Remove drain pump and check impeller (normally Start/Resume key to resume instruct customer to use less detergent and 5- resistance). connections. recommend the 1 HR Wash cycle there is some uneven resistance), if it is stripped, replace operation. DOOR 4. Measure resistance of door switch contacts while drain pump. SWITCH checking mechanical operation of latch assembly. Start/Resume key not See “One or More Keys Won’t Respond.” Etching of glass from too Check water hardness. If below 10 grains, then Check for broken plastic pieces on latch assembly. much detergent at too high of instruct customer to use less detergent and Loose connection in Drain Motor 1. Check operation of drain motor during diagnostics. responding. Replace latch if faulty. Circuit and/or open drain motor 2. Unplug dishwasher or disconnect power. temperature. recommend the 1 HR Wash cycle. 8- Control detected door switch Refer to “Service Error Codes” table. winding. 3. Check resistances of Drain Motor Winding and all 5-1 Faulty control. 1. Unplug dishwasher or disconnect power. DRAINING 2- problem. Diverter problem. Refer to “Service Error Codes” table. 9-1, 9-2 connections in the drain circuit. 2. Replace control. Drain ■ If high resistance, check/fix loose connections or Won’t Run and Stuck key or short circuit(s) Refer to “Service Error Codes” table. Drain loop check valve not 1. Disconnect drain hose at plumbing Motor replace drain motor. Control programmed to not start 1. Open and close door and then press Start/Resume LED Above in keypad, or in control’s sealing. connection. Electrical if it suspects the door switch is key. Instruct customer. Key Is Flashing input lines that read the 2-1 2. Elevate hose above dishwasher and fill with Problem Open fuse on control to drain motor. Refer to “Fuse Check” on Page 1. stuck closed. Control looks for 2. Unplug dishwasher or disconnect power. Rapidly and keys. water. If water flows into dishwasher, replace 2- the door switch to open between 3. Measure resistance of door switch contacts while Faulty Drain Motor Drive Circuit on Unplug dishwasher or disconnect power and replace Continuously entire drain loop (install as high as possible). Door Stuck cycles. checking mechanical operation of latch assembly. the control. control. Closed ■ Customer didn’t open the door Won’t Run and Software or hardware Refer to “Service Error Codes” table. Poor Dry Customer not using rinse aid Check rinse aid gauge level on dispenser. and/or dispenser is empty. Instruct customer how to fill and monitor, add between cycles or if door switch Faulty Drain Motor Drive Circuit on 1. Unplug dishwasher or disconnect power and replace All LEDs On incompatibility problem with 1-2 contacts stuck closed. 3- the control. control. control. and use rinse aid. Drain 2. Inspect drain motor and connections for overheating/ Customer not using Heated Recommend use of Heated Dry to customer. No water to dishwasher. Verify water supply is turned on and supply line Stuck On shorting. If evidence of overheating/shorting exists, Won’t Start and Control looks for door to Refer to “Service Error Codes” table. adequate. Start/Resume open between cycles. Dry option. replace. key LED Flashes ■ Customer didn’t open Bowls or pots loaded or flipped Instruct customer on loading. Refer to Use and Care Loose connection in Dispenser Unplug dishwasher or disconnect power and check 5-2 Heating problems. Refer to “Service Error Codes” table. 7-1 3 Times When door between cycles. 1- upside down and captured wash Guide. Circuit and/or open dispenser resistances of dispenser solenoid and all connections in Start/Resume ■ Door switch contacts Rinse aid dispenser problem. Refer to “Service Error Codes” table. 10-1 Low/No water. 1- solenoid. the dispenser circuit. Fix/replace open connection/part. Key is Pressed stuck closed. 6- 10- Dispenser Water Control canceled cycle due to Refer to “Service Error Codes” table. INLET Drain loop detached from tub and/or Check for water siphoning out of unit: OTHER Electrical Open fuse on control to dispenser. Refer to “Fuse Check” on Page 1. (Mecha- Won’t Accept Control Lockout feature Instruct customer. Press and hold the Control error detected with wash 4-3 WATER improper drain connection. 1. Allow dishwasher to complete normal fill. Problem nical Key Presses and accidentally turned on by Lock key (or key with control lock symbol next motor. Problem) 2. Drain for 5 to 10 seconds by pressing Cancel/Drain. Faulty Dispenser Drive Circuit on Unplug dishwasher or disconnect power and replace Control Lock customer. to it) for 5 seconds to turn off (or on) the Control 3. Open door and confirm water does not siphon out of the control. control. LED On Lock feature. Sanitized LED Door opened during final rinse Instruct customer. unit. If it does, confirm drain loop is attached to side of Blinks or or dry. dishwasher and drain hose is connected to a drain at No Key Control not properly installed 1. Unplug dishwasher or disconnect power. Incomplete least 20" (50.8 cm) off the floor. and/or LED in console avoiding button 2. Disassemble console and check that control Sanitization Incoming water too cold. Refer to “Service Error Codes” table. 6-6 Functionality actuation. housing is fully attached to console and aligned Message at the Line voltage too low to heat Check power source. Confirm at least 100 VAC. properly. End of a Cycle fast enough. 3. Adjust control or replace missing parts as (Control Could needed. Not Confirm Heating problem. Refer to “Service Error Codes” table. 7-1 Sanitization Missing button tree or light 1. Unplug dishwasher or disconnect power. Achieved) Intermittent door switch or See same checks as for 5-1 error. Refer to pipes. 2. Disassemble console and check for presence latch connection. “Service Error Codes” table. of light pipe and button tree plastic parts. 3. Verify that light pipe and button tree are not Thermistor/OWI problem. Refer to “Service Error Codes” table. 3-1, 3-2 broken and that they are aligned correctly. 4. Replace missing parts as needed. Melted Dishware Customer uses non- Instruct customer. Some Keys Work Stuck key or short circuit(s) Refer to “Service Error Codes” table. and/or Spray dishwasher safe dishes or but One or More in keys or in control’s input Arm and/or loads directly over heater. 2-1 Dishwasher Keys Won’t lines that read the keys. Respond Always Hot Water heater displaced from Inspect heater. Adjust back into position, if mounting clip and/or pulled off needed. Unusual Key or Control software does not Check function of all keys and LEDs in the UI. If center. LED Behavior match hardware or panel. no evidence of stuck keys (see above), replace or LEDs Do control. Water heating problem. Refer to “Service Error Codes” table. 7-2 Not Turn On Heater stuck on. Correctly When Keys Are Temperature sensing problem. Refer to “Service Error Codes” table. 3-1 Pressed. LEDs and/or Unit is in Sales Demo mode. Check operation of Cancel key. If no Cancel Noisy Operation Spray arm stalled or blocked ■ Instruct customer if blocked. Displays Run LED response to multiple Cancel key presses, and spraying on the door. ■ Check spray arm rotation and inspect for For Short Time the control is likely in Sales Demo mode. Run plugged nozzles. If plugged, clean nozzles and (but No Loads Service Diagnostics cycle to clear Demo mode. confirm filters installed properly. Running) and then Shuts Off Open F1 (Triac Load Fuse) Refer to “Fuse Check” on Page 1. Motor problems force cycle to Refer to “Service Error Codes” table. on control disabled loads. 4-3 start and stop repeatedly. No or low water. Refer to “Service Error Codes” table. 6-1, 6-2 6-3, 6-4 11/11 FOR SERVICE TECHNICIAN’S USE ONLY W10461429A © 2011. All rights reserved.