CÓDIGOS DE ERROR , AVERÍA Y MANUALES HAIER
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Seguridades en aire acondicionado HAIER
Está prohibido desmontar, puentear o desactivar de cualquier forma los dispositivos de seguridad y control durante su funcionamiento. El equipo de aire acondicionado Haier es un aparato eléctrico y no debe utilizarse si no está en perfecto estado técnico. Toda avería o desperfecto que menoscabe o pueda mermar la seguridad debe ser subsanado inmediatamente por personal especializado. Las partes y los componentes defectuosos se sustituirán exclusivamente por recambios originales Haier.
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MRV SI Service Manual SYJS-05-2016 REV.A Edition: 2016-05 AU282FHERA, AU482FIERA (G), AU48NFIERA (G), AU60NFIERA (G)
MRV SI Service Manual SYJS-05-2016 REV.A Edition: 2016-05 AU282FHERA, AU482FIERA (G), AU48NFIERA (G), AU60NFIERA (G)
| Malfunction code | Indication on wired controller | Malfunction position |
| 1 | 21 | Circuit TE of defrosting temp. sensor |
| 2 | 22 | Circuit TA of environment temp. sensor |
| 3 | 23 | Circuit TS of compressor suction temp. sensor |
| 4 | 24 | Circuit TD of compressor discharge temp. sensor |
| 5 | 25 | Circuit TC of condenser middle part temp. sensor |
| 6 | 26 | Incorrect dipswitch setting for model selection on outdoor PCB |
| 7 | 27 | Current sensor failure |
| 8 | 28 | DC motor failure |
| 9 | 29 | Alarm and stop when the testing indoor numbers are inconsistent with the initial searched locked numbers which can recoverable |
| 10 | 2A | Fault of reading EEROM |
| 11 | 2B | Protecting action of compressor discharge temperature (TD) |
| 12 | 2C | Protecting action of IPM temperature |
| 13 | 2D | High pressure switch open circuit |
| 14 | 2E | Low pressure switch open circuit |
| 15 | 2F | Discharging temp. too low of inverter compressor |
| 16 | 30 | Protecting action of compressor suction temperature (TS) |
| 17 | 31 | Alarm and stop when starting indoor capacity exceed 160% of outdoor capacity which can recoverable automatically |
| 18 | 32 | Alarm and stop when current exceed the standard value which can recoverable automatically |
| 20 | 34 | Communicating fault if control panel and IPM |
| 21 | 35 | Compressor over current |
| 22 | 36 | Communicating fault of indoor and outdoor units |
| 23 | 37 | IPM fault (For signal trip) |
| 24 | 38 | IPM temperature too high |
| 25 | 39 | Over current at acceleration state (hardware trip) |
| 26 | 3A | Over current at steady state (hardware trip) |
| 27 | 3B | Over current at deceleration state (hardware trip) |
| 28 | 3C | DC bus under voltage |
| 29 | 3D | DC bus over voltage |
| 30 | 3E | Over current at acceleration state (software trip) |
| Malfunction code | Indication on wired controller | Malfunction position |
| 31 | 3F | Power module overload due to constant high current |
| 32 | 40 | Over current at steady state (software trip) |
| 33 | 41 | Over current at deceleration state (software trip) |
| 34 | 42 | Compressor is not connected |
| 35 | 43 | Communication loss time out between IPM and control PCB |
| 36 | 44 | Changeover failure |
| 37 | 45 | Compressor rotor wrong position compare to the driver |
| 38 | 46 | Microchip reset |
| 39 | 47 | Power module temp. sensor abnormal, No content after “OR” in the new manual. |
| 40 | 48 | Power module detects DC current, but compressor is OFF. Or power module detects no DC current, but compressor is ON |
| 41 | 49 | Power failure moment |
| 42 | 4A | Power module input three phase lack failure |
| 43 | 4B | IPM temperature protection |
| Digital tube indication on master unit | Indication on wired controller (hex) | Failure code definition | Failure description | Remarks |
| 20 | 20-0 | Defrosting temp. sensor TE1 failure | AD value is below 11 (open circuit) or over 1012 (short circuit) for 60seconds, in cooling mode, if the sensor is abnormal, the unit does not deal with it, besides, in defrosting and within 3 minutes after defrosting, no alarm. | Resumable |
| 20 | 20-1 | Defrosting temp. sensor TE2 failure | ||
| 21 | 21 | Ambient temp. sensor Ta failure | AD value is below 11 (open circuit) or over 1012 (short circuit) for 60seconds, in defrosting and within 3 minutes after defrosting, no alarm. | Resumable |
| 22 | 22 | Suction temp. sensor Ts failure | AD value is below 11 (open circuit) or over 1012 (short circuit) for 60seconds, in defrosting and within 3 minutes after defrosting, no alarm. | Resumable |
| 23 | 23 | Discharging temp. sensor Td failure | After compressor is running for 5 minutes, AD value is below 11 (open circuit) or over 1012 (short circuit) for 60seconds, in course of startup, defrosting and within 3 minutes after defrosting, no alarm. | Resumable |
| 24 | 24 | Oil temp. sensor Toil failure | AD value is below 11 (open circuit) or over 1012 (short circuit) for 60seconds, if Ta<=-10degree or ET<=-10degree, within 5 minutes, no alarm. | Resumable |
| 26 | 26-0 | Indoor communication failureI | For continuous 200 cycles, can not find connected indoors. | Resumable |
| 26-1 | 26-1 | For continuous 300seconds, the searched indoor quantity is less than the set quantity. | ||
| 26-2 | 26-2 | For continuous 300seconds, the searched indoor quantity is more than the set quantity. | ||
| 27 | 27 | Oil temp.too high protection (Toil) | Toil≥110degree at interval of 25msec for twice continuously, and over the set value, then stop and alarm; 3 minutes later, resume automatically. If it occurs 3 times in an hour, confirm the failure. | Once confirmation, un-resumable |
| 28 | 28 | High pressure sensor Pd failure | AD value is below 11 (open circuit) or over 1012 (short circuit) for 30seconds, in defrosting and within 3 minutes after defrosting, no alarm. | Resumable |
| LD indication on master unit | Indication on wired controller (hex) | Failure code definition | Failure description | Remarks |
| 29 | 1D | Low pressure sensor Ps failure | AD value is below 11 (open circuit) or over 1012 (short circuit) for 30seconds, in defrosting and within 3 minutes after defrosting, no alarm. | Resumable |
| 30 | 30 | High pressure switch HPSi failure | If disconnect for 50ms continuously, alarm. If alarm 3 times in an hour, confirm the failure. | Once confirmation, un-resumable |
| 33 | 33 | EEPROM failure | EEPROM failure. | Once confirmation, un-resumable |
| 34 | 34 | Discharging temp. too high protection (Td) | Td≥115degree at interval of 25msec for twice continuously, and over the set value, then stop and alarm; 3 minutes later, resume automatically. If it occurs 3 times in an hour, confirm the failure. | Once confirmation, un-resumable |
| 35 | 35 | 4-way valve reversing failure | After 4-way valve is electrified for 3 minutes, if the below conditions can be met for continuous 10 seconds, that is conversing successfully: 1. this outdoor compressor is running normally 2. Pd-Ps≥0.6MPa, Otherwise, the system alarms reversing failure. | Once confirmation, un-resumable |
| 36 | 36 | Oil temp. too low protection (Toil) | In normal operation, if Td<CT+6°Cfor continuous 5 minutes, the unit stops and alarms. 2 minutes and 50 seconds later, resume automatically. If it occurs 3 times in an hour, confirm the failure. | Once confirmation, un-resumable |
| 39-0 | 39-0 | Low pressure sensor Ps too low protection | After compressor is running (except for residual operation), if in cooling, Ps<0.05Mpa; in heating, Ps<0.03Mpa; in oil return, Ps<0.03Mpa for continuous 5 minutes, alarm and stop. 2 minutes and 50 seconds later, resume automatically, if it occurs 3 times in an hour, confirm the failure. | Once confirmation, un-resumable |
| 39-1 | 39-1 | Compression ratio too high protection | After compressor is running, compression ratio ε<8. for continuous 5 minutes stop and alarm. 2 minutes and 50 seconds later, resume automatically, if it occurs 3 times in an hour, confirm the failure. | Once confirmation, un-resumable |
| LD indication on master unit | Indication on wired controller (hex) | Failure code definition | Failure description | Remarks |
| 39-2 | 39-2 | Compression ratio too low protection | In normal operation, compression ratio ε <1.8 for continuous 5 minutes stop and alarm.2 minutes and 1 seconds later, resume automatically, if it occurs 3 times in an hour, confirm the failure. | Once confirmation, un-resumable |
| 40 | 40 | High pressure sensor Pd too high protection | In normal operation, Pd>=4.15Mpa for continuous 50ms, alarm and stop. 2 minutes and 50 seconds later, resume automatically, if it occurs 3 times in an hour, confirm the failure. | Once confirmation, un-resumable |
| 43 | 43 | Discharging temp. sensor Td too low protection | In normal operation, if Td<CT+10°C for continuous 5 minutes, the unit stops and alarms. 2 minutes and 50 seconds later, resume automatically. If it occurs 3 times in an hour, confirm the failure. After fixed frequency compressor alarms, inverter compressor will continue to run. If fixed frequency compressor has been locked for 3 times, the unit will stop and alarm. | Once confirmation, un-resumable |
| 46 | 46 | Communication with inverter board failure | No communication within 30 seconds continuously. | Resumable |
| 71 | 71 | DC motor blocked | Running at speed below 20rpm for 30s, or at speed of 70% lower than the target for 2 minutes, 2 minutes and 50 seconds later after stop, resume automatically. It occurs 3 times in an hour, confirm the failure. | Once confirmation, un-resumable |
| 75 | 75 | No pressure drop between high pressure and low one | In 5 minutes after inverter compressor starts up, Pd-Ps<=0.2MPa. 2 minutes and 50 seconds later after unit stops, resume automatically, if it occurs twice continuously, confirm the failure. | Once confirmation, un-resumable |
| 78 | 78 | Lack of refrigerant | Compressor running in cooling mode, Ps<0.2MPa for 30 minutes; compressor running in heating mode, Tsi-ET>20; LEV will fully open for 60 minutes, the unit will output lack of refrigerant alarm, unit will not stop. | — |
| LD indication on master unit | Indication on wired controller (hex) | Failure code definition | Failure description | Remarks |
| 110 | 110 | IPM modular protection (F0) | IPM modular over current, in short circuit, over heat, voltage too low of control circuit. | 3 times in an hour, confirm failure; once confirmation, un-resumable |
| 111 | 111 | Compressor out of control | In the course of compressor startup or running, the unit can not detect the rotor position, or not connecting compressor. | |
| 112 | 112 | Radiator of transducer temp. too high | Radiator temp. too high. | |
| 113 | 113 | Transducer overload | Output current of transducer is too high. | |
| 114 | 114 | Voltage too low of DC bus line of transducer | Voltage of power source is too low. | |
| 115 | 115 | Voltage too high of DC bus line of transducer | Voltage of power source is too high. | |
| 116 | 116 | Communication abnormal between transducer and control PCB | Communication is disconnected. | Resumable |
| 117 | 117 | Transducer over current (software) | Compressor startup fails for 5 times continuously, or compressor is running down till stops caused by over current or over heat. | 3 times in an hour, confirm failure; once confirmation, un-resumable |
| 118 | 118 | Compressor startup failure | The sensor used for current detecting of transducer is abnormal, disconnected or incorrectly connection. | |
| 120 | 120 | Power supply of transducer abnormal | Power supply of transducer is broken down instantly. | |
| 121 | 121 | Power supply of inverter board is abnormal | Power supply of inverter board is broken down instantly. | 3 times in an hour, confirm failure; once confirmation, un-resumable |
| 122 | 122 | Radiator temp. sensor of transducer abnormal | Resistor of temp.sensor abnormal or temp.sensor disconnected. |
| 555 | Standby state of capacity over- match | When capacity is over 130% or low- er than 50%, the system is standby. | Resumable |
| 555-1 | Outdoor ambient temperature too high (heating) | Ta>27°C, Standby | |
| 555-2 | Outdoor ambient temperature too high or too low (cooling) | Ta>54°Cor Ta<-10°C, Standby | |
| 555-3 | Crankcase heater working | Oil temperature is too low |
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