Haier AC Error Codes

AC BrandsHaier

Haier Ac Error Codes And Troubleshooting Method

Failure code for wall mounted unit – Displayed on the indoor LCD:

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Error CodesCause
E1Indoor room temperature sensor failure
E2Indoor coil temperature sensor failure
E4EEPROM wrong
E7Communication failure between indoor and outdoor
E14Indoor fan motor failure
E18Temperature cutoff protection
F1Module failure
F2Outdoor DC motor failure
F4Compressor overheat / discharging temperature protection
F5Module over current / current transducer failure
F6Outdoor ambient temp. sensor abnormal
F7Outdoor suction/defrosting temp. sensor abnormal
F8High pressure abnormal
F9Low pressure abnormal
F10No AC power supply
F11Outdoor PCB EEPROM abnormal
F13Communication failure between outdoor PCB and module
F14Compressor discharging temp. sensor failure
F15Compressor running faulty
F16Running state-detecting circuit failure

Error Code: E1
Fault Description: Room temperature sensor fault
Remark: Indoor room temp. sensor in short circuit, or open circuit, it can resume due to the signal.

Error Code: E2
Fault Description: Heat-exchange sensor fault
Remark: Indoor coil temp. sensor in short circuit, or open circuit, it can resume due to the signal.

Error Code: E4
Fault Description: Indoor EEPROM error
Remark: Being electrified to test E2 check sum, or E2 is broken down.

Error Code: E9
Fault Description: High work-intense protection
Fault unit: Outdoor unit

Error Code: E7
Fault Description: Communication failure between indoor and outdoor
Remark: Communication failure alarms for 4 minutes contineously, it can resume due to the signal.

Error Code: EC
Fault Description: Refrigerant Leakage

Error Code: F12
Fault Description: Outdoor EEPROM fault
Fault unit: Outdoor unit

Error Code: E14
Fault Description: Indoor fan motor malfunction
Remark: Indoor fan motor wrong wiring or indoor fan motor abnormal.

Error Code: F1
Fault Description: The protection error of IPM
Remark: Outdoor module abnormal

Error Code: F2
Fault Description: Overcurrent of the compressor
Remark: Outdoor DC motor abnormal

Error Code: F3
Fault Description: Communication fault between the IPM and outdoor PCB
Fault unit: Outdoor unit

Error Code: F4
Fault Description: Overheat protection error of exhaust temperature sensor
Remark: Compressor discharging temperature over high protection

Error Code: F6


Fault Description: Ambient temperature sensor failure
Remark: Outdoor ambient temp. sensor in short current or open circuit

Error Code: F7
Fault Description: Suction temperature sensor fault
Remark: Outdoor suction/defrosting temp. sensor in short circuit or open circuit

Error Code: F11
Fault Description: deviate from the normal  for the compressor
Remark: Being electrified to test if the E2 check sum is correct or failure

Error Code: F19
Fault Description: Power voltage too high or too low
Fault unit: Outdoor unit

Error Code: F21
Fault Description: Defrost temperature sensor fault
Fault unit: Outdoor unit

Error Code: F22
Fault Description: Overcurrent  protection of  AC electricity  for  the outdoor model
Fault unit: Outdoor unit

Error Code: F23
Fault Description: Overcurrent protection for single-phase of the compressor
Fault unit: Outdoor unit

Error Code: F25
Fault Description: Discharge temperature sensor fault
Fault unit: Outdoor unit

Error Code: F28
Fault Description: Loop  of  the station detect error
Fault unit: Outdoor unit

Error Code: F66
Fault Description: Ambient temperature sensor fault

Code: E0
Flash time of compressor running indicate lamp: 10
Trouble contents (old): drainage system trouble
Trouble contents (new): drainage system trouble

Code: E1
Flash time of compressor running indicate lamp: 1
Trouble contents (old): indoor temperature sensor broken
Trouble contents (new): indoor temperature sensor broken

Code: E2
Flash time of compressor running indicate lamp: 2
Trouble contents (old): indoor coil temperature sensor broken
Trouble contents (new): indoor coil temperature sensor broken

Code: E3
Flash time of compressor running indicate lamp: 3
Trouble contents (old): outdoor temperature sensor broken
Trouble contents (new): outdoor temperature sensor broken

Code: E4
Flash time of compressor running indicate lamp: 4
Trouble contents (old): outdoor coil temperature sensor broken
Trouble contents (new): outdoor coil temperature sensor broken

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