Haier Air conditioner DC Invert Product Abnormity Solution1. 2. 3. 4. 5. DC INVERTER MODELS FOR EUROPE MARKET PFC CONTROL MALFUNCTION CODES PROBLEM SYMPTOMS AND MEASURES EASY DAMAGED PARTS LIST MB FRIGO Grupa d.o.o., Bani 81, 10010 Zagreb, tel: 01/66 08 002, [email protected] tel: 01/66 08 002.. 10010 Zagreb.1. Bani 81. [email protected] . DC INVERTER MODEL FOR MB FRIGO MODEL HSU-09HVA103/R2(DB) DISP IINDOOR OUTDOOR COMP MOTOR MOTOR DRIVE MODE PFC CONTROL Malfunction codes LCD HSU-12HVA103/R2(DB) LCD HSU-18HVA103/R2(DB) LCD HSU-22HVA103/R2(DB) LCD AC AC AC AC AC AC AC AC Rotary Rotary Scroll Scroll sine sine sine sine wave wave wave wave NEW Active NEW Active NEW Active NEW Active swiching swiching swiching swiching Table1 Table1 Table1 Table1 MB FRIGO Grupa d.o.o. o. PFC CONTROL SYSTEM New Active PFC ELECTRO_CIRCUIT Loading WAVE POWER FACTOR OUT PUT VOLT AGE REACT OR 98% DC260V-310V can control 5mH MB FRIGO Grupa d.o. Bani 81..hr . tel: 01/66 08 002.2. info@mbfrigo. 10010 Zagreb. . info@mbfrigo. tel: 01/66 08 002.o.3. Bani 81.o. 10010 Zagreb.hr . Malfunction codes TABLE 1 Content Room-temperature sensor malfunction Heat-exchange sensor malfunction Indoor EEPROM error Communication fault between the indoor and outdoor units High work-intense protection Indoor fan motor malfunction IPM pretection Communication fault between the IPM and outdoor PCB Overheat protection for exhaust temperature Outdoor Ambient temp sensor fault Compressor startup error or out of position Power voltage is too high or low current protection Outdoor EEPROM fault defrosting temperature sensor fault Exhaust temperature sensor fault Malfunction codes E1 E2 E4 E7 E9 E14 F1 F3 F4 F6 F11 F19 F22 F12 F21 F25 Indoor Unit Outdoor Auto Restart Unit * * * * * * * * * * * * * * * * * * * * * * MB FRIGO Grupa d. o. Bani 81. info@mbfrigo. tel: 01/66 08 002.hr .4.1 Problem Symptoms and Measures ●For sensor fault Room-temperature sensor malfunction Heat-exchange thermister anomaly Defrosting temperature sensor fault Exhaust temperature sensor fault Ambient temp sensor fault MB FRIGO Grupa d.o. 10010 Zagreb.. o.F6. 2 Problem Symptoms and Measures ●For sensor fault indoor display E1. tel: 01/66 08 002.F25 Countermeasure Flow Chart: Check the connector connection NO Is it normal? Correct the connection YES Check the sensor Is it normal? NO Replace the sensor Replace the indoor pcb YES MB FRIGO Grupa d.F21.o. info@mbfrigo. 10010 Zagreb.4. Bani 81..E2.hr . hr . info@mbfrigo. 10010 Zagreb.o. Measure the voltage between the middle wire and the black side wire of Terminal on the indoor mainboard.4. NO The motor is damaged And needs replacing MB FRIGO Grupa d.o. YES Is it variation? the indoor mainboard is damaged and needs replacing. 3 Problem Symptoms and Measures ●For indoor AC fan motor fault indoor display :E14 Check the Terminal Is it well connect? NO Correct the connection Electrify the machine again and turn it on in the Cool state with the remote controller.. Bani 81. tel: 01/66 08 002. If not. 10010 Zagreb.o. Measure the pressure of the system. go forward to 2.hr . 2. If yes. then observe its operation. tel: 01/66 08 002. CASE1 CASE1 If the wind temperature is below 65 and the malfunction is reported after the machine has run for some time. shoot the trouble as follows: 1. CASE2 CASE2 If both the sensor and the temperature monitoring circuit of the indoor mainboard are in order. MB FRIGO Grupa d. Check whether the indoor unit blows poorly due to blocked filters or poor condition of the fan.. info@mbfrigo. Bani 81. clean the filters or reinstall the fan.o.4. If the pressure is too high. 4 Problem Symptoms and Measures ●For High work-intense protection indoor display :E9 Countermeasure Flow Chart： Electrify the machine again and turn it on with the remote controller. See countermeasures for sensor troubles. check whether the sensor or the temperature monitoring circuit of the indoor mainboard is in order. the system is over charged with gas. 4..5 Problem Symptoms and Measures ●For EEPROM error indoor display :E4.hr . Bani 81. info@mbfrigo. tel: 01/66 08 002.o.Replace the outdoor mainboard MB FRIGO Grupa d.o. 10010 Zagreb.F12 IF indoor display E4. Replace the indoor mainboard IF indoor display F12. TO BE CONTINUED NO NO YES YES NO NO 1. If LED1 keeps on. 10010 Zagreb. info@mbfrigo. If starting up normally. 6 Problem Symptoms and Measures ●For Communication fault between indoor and outdoor indoor display E7 Countermeasure Flow Chart: Connect to supply. 2. YES YES Check the status of LED1 on the indoor mainboard blinks interruptedly YES YES See next page. tel: 01/66 08 002. measure the AC voltage between positions 1 and 2 on the terminal of outdoor unit with a multimeter is it 230VAC If the value is constant at about 230VAC to be 3 3. and with the controller whether it normally.o.. the indoor mainboard is damaged. 2. measure the AC voltage between positions 1 and 3 on the terminal of outdoor unit with a multimeter If the value is constant at about 30V. MB FRIGO Grupa d. the outdoor mainboard needs dewetting. but malfunction occurs again after a while. replace it with a new one. Replace the linking cable with new one. the outdoor mainboard needs dedusting. 1 .4. 1. 2.o. If starting up normally. Bani 81. the power turn it on remote to check starts up NO NO Check whether the linking cable between the indoor and outdoor units is well connected and whether its core wires are well insulated. the outdoor mainboard is damaged. If LED1 blinks interruptedly. the indoor mainboard is damaged. Reconnect the linking cable. replace it with a new one.hr . If the value varies between 0 and 80 VAC. go forward to step 2. the outmainboard is damaged.. If both 230VAC and 310DC are available. 10010 Zagreb. tel: 01/66 08 002. Bani 81. Measure the voltage +5DC on the outdoor mainboard with a multimeter.4. disturbance factors MB FRIGO Grupa d.hr . 2. If 230VAC is available but 310DC not. replace it with a new one. Test the outdoor power supply (230VAC and +310VDC) with a multimeter. [email protected]. 1. If +5DC is not available. replace it with a new one. the IPM MODULE is damaged.7 Problem Symptoms and Measures ●For Communication fault between indoor and outdoor indoor display：E7 Countermeasure Flow Chart： CONTINUE：： Trouble shooting process: LED1 of indoor mainboard blinks interruptedly .o. If +5VDC is available. 10010 Zagreb. YES YES Electrify the machine again and turn it on. info@mbfrigo. 8 Problem Symptoms and Measures ●For Communication fault between the IPM and outdoor PCB Indoor display：F3 Countermeasure Flow Chart： Check whether the connected wire between IPM and outdoor is well.o.o.4.hr . Check whether the voltage DC5V and DC15V supply from outdoor normal mainboard is NO NO Replace the outdoor mainboard with a new one. NO NO YES YES Pull out reinsert terminals. tel: 01/66 08 002. Bani 81.. and the Malfunction Malfunction unsolved unsolved Replace the IPM module with a new one MB FRIGO Grupa d. Bani 81. CASE1 CASE1 Pull out the exhaust sensor and measure its resistance at standard temperatures. tel: 01/66 08 002. the cryogen may have been leaked during installation. CASE2 CASE2 Malfunctions occur after running for some time even though the measured temperature is below 115 .o.o. If the results deviate much from those in the resistancetemperature table. info@mbfrigo. or there may be leakage in the piping system. 10010 Zagreb. If the results do not deviate or deviate a little from those in the resistance-temperature table. the sensor is damaged and needs replacing. the outdoor mainboard is damaged and needs replacing. CASE2 CASE2 Pull out the exhaust sensor and measure its resistance at standard temperatures. MB FRIGO Grupa d. or there may be other causes to make the exhaust temperature too high.hr . 9 Problem Symptoms and Measures ●For Overheat protection for exhaust temperature Indoor display ：F4 Countermeasure Flow Chart： Electrify the machine again and turn it on with the remote controller.4. CASE1 CASE1 If the temperature exceeds 115 shortly after the machine starts up.. then measure the temperature at the exhaust temperature sensor of the compressor on the outdoor unit. CASE1 CASE1 If malfunctions are reported before or upon the compressor being started up. which can be judged through the pressure of the measuring system.4. the machine is not damaged. It is the power supply that needs to be changed or improved.o. then observe its operation.hr . CASE2 CASE2 Check the power supply. 10010 Zagreb. tel: 01/66 08 002. MB FRIGO Grupa d. the system may have been over or under charged with gas. but malfunctions are reported after it has run for some time.. CASE2 CASE2 The compressor is started normally. info@mbfrigo. If the voltage is too low or too high. 10 Problem Symptoms and Measures ●For current protection indoor display ：F22 Countermeasure Countermeasure Flow Flow Chart Chart： ： Electrify the machine again and turn it on with the remote controller.o. IPM Module is damaged and needs replacing. CASE1 CASE1 If the power supply is in order. Bani 81. 4.o. tel: 01/66 08 002.The shaft of compressor is seized and the compressor needs replacing.IPM Module is damaged and needs replacing. V and W of compressor are equal and between 1 and 3Ω.o. Renewedly wiring connect the Replace the compressor MB FRIGO Grupa d.check if the compressor wiring commect.. 10010 Zagreb.11 Problem Symptoms and Measures ●For IPM moudle protection Indoor display：F1 Countermeasure Countermeasure Flow Flow Chart Chart： ： Turn off the power. Bani 81. [email protected] . 2. YES YES Check the IPM module is it normal YES YES NO NO NO NO Change module the IPM Test with a multimeter whether the resistance values among Phases U. NO NO YES YES 1. o.4. 10010 Zagreb.o.12 Problem Symptoms and Measures ●For Power voltage is too high or low Indoor display F19 Countermeasure Countermeasure Flow Flow Chart Chart Check the supply voltage NO Is it rated power? YES Correct the power supply YES Check the IPM moduleIs it normal? Disturbance factors NO Repeat a couple of times Replace the IPM module MB FRIGO Grupa d. Bani 81.hr .. tel: 01/66 08 002. info@mbfrigo. CASE2 CASE2 At the stopped state. it blinks for the same times again. the Malfunctions exist also.o. Bani 81. tel: 01/66 08 002. Replace Module IPM CASE1 CASE1 Within 3 minutes after the machine is supplied with power and turned on with the remote controller. 10010 Zagreb. . The above process repeats again and again.o. The compressor is damaged replace a new one MB FRIGO Grupa d. info@mbfrigo. 1. The IPM Module or compressor is damaged..hr .4.13 Problem Symptoms and Measures ●For Compressor startup error or out of position indoor display： F11 Countermeasure Countermeasure Flow Flow Chart Chart： ： Check the status of LED1 on the maindboard of outdoor unit and the running condition of outdoor unit within 3 minutes after startup. LED1 blinks 1Hz for 18 times. The wiring of compressor is incorrect or the connection is poor. 2. the outdoor unit stops shortly after startup. and after pause of 2 seconds or so. . EASY DAMAGED PARTS LIST MODEL HSU-09HVA103/R2(DB) HSU-12HVA103/R2(DB) HSU-18HVA103/R2(DB) HSU-22HVA103/R2(DB) IPM MODULE 0011800052 0011800052 0010404385 0010404385 OUTDOOR PCB INDOOR PCB BOARD BOARD 0011800066F 0011800066F 0011800105 0011800104 0010400858E 0010400034 0010400269 0010400269 INDOOR FAN MOTOR 0010404202 0010404202 001A3000088E 001A3000088E OUTDOOR FAN MOTOR 0010403508E 0010403508E 0010403508E 001A3000069E MB FRIGO Grupa d.o.hr . tel: 01/66 08 002. Bani 81. 10010 Zagreb. [email protected]. o.. tel: 01/66 08 002.MB FRIGO Grupa d.hr . [email protected]. Bani 81. 10010 Zagreb.
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