Model reference
Haier AS09NS1HRA-GU
Air Conditioner
2 documents21 error codes9 service modes
Available documentation
Service Manual
- SERVICE MANUAL Wall Mounted Type DC Inverter FREE MATCH N-Series72 pg
- SERVICE MANUAL Wall Mounted Type DC Inverter SUPER MATCH70 pg
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Error codes (21)
CodeMeaning
E1Room temperature sensor failure due to faulty connector connection, faulty…E14Indoor fan motor malfunction detected when rotation feedback signal is not…E2Heat-exchange sensor failure due to faulty connector connection, faulty…E4Indoor EEPROM error caused by faulty EEPROM data, faulty EEPROM, or faulty PCB.E7Communication fault between indoor and outdoor units due to wiring error or…E9High work-intense protection activated when heat exchanger thermistor…F1IPM (Intelligent Power Module) protection detected by checking compressor…F11Loss of synchronism / compressor rotor position cannot be detected normally…F12Outdoor EEPROM error caused by faulty EEPROM data, faulty EEPROM, or faulty PCB.F19Overheat protection for discharge temperature, activated when compressor…F2Overcurrent of the compressor detected when IPM module or compressor is…F21Defrost temperature sensor failure (outdoor), indicated by outdoor LED1…F22Communication fault between the IPM module and outdoor PCB.F23Overcurrent protection for single-phase of the compressor.F25Discharge temperature sensor failure (outdoor), indicated by outdoor LED1…F28Loop of the station detect error / inverter side current detection abnormal.F3Overcurrent protection of AC electricity for the outdoor model.F4Power supply voltage is too high or too low, detected by voltage detection…F6Ambient temperature sensor failure (outdoor), indicated by outdoor LED1…F7Suction temperature sensor failure (outdoor), indicated by outdoor LED1…F8Outdoor DC fan motor fault detected by checking the fan running condition.Service modes (9)
- Emergency OperationPress the emergency switch briefly (less than 5 seconds)
- Fixed Frequency CoolingUnder G code condition with high speed cooling and 16°C set temperature, press temperature '-' key…
- Fixed Frequency HeatingUnder G code condition with high speed heating and 30°C set temperature, press temperature '+' key…
- Malfunction List ResumeWith the system off, press and hold the emergency switch for 10 to 15 seconds
- Power Cut Compensation ModePress dormant (sleep) button 10 times within 7 seconds
- Single Indoor System OperationSet high speed airflow and 30°C set temperature, then press the dormant (sleep) key 6 times within…
- Test OperationWith the system off, press and hold the emergency switch for 5 to 10 seconds until two 'Pi' sounds…
- Test Program (Factory)Connect the test program terminal on the mainboard, then connect the system to the power circuit.
- Time Cutting Function (Accelerated Test)Connect the test program terminal on the mainboard after connecting the system to the power circuit.
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