Haier AB142ACBJA User Manual - Page 25

Failure code 23 For remote Failure description type, flash times Reason Remarks 1 Indoor ambient temp. sensor failure Sensor broken down or short circuit for more than 2m continuously 2 Indoor coil temp. sensor failure Sensor broken down or short circuit for more than 2m continuously 3 Outdoor ambient temp. sensor failure Sensor broken down or short circuit for more than 2m continuously 4 Outdoor coil temp. sensor failure (compressor Sensor broken down or short circuit for more than 2m continuously discharging temp. sensor) 5 Over-current protection CT check abnormal 3 times in 30m 6 High pressure abnormal High pressure switch acts 3 times in 30m 7 Power supply abnormal Fault phase, short of phase, out of balance greatly Communication between wired 8 controller and indoor abnormal Communication abnormal for more than 4m continuously 9 Communication between indoor and outdoor abnormal Communication abnormal for more than 4m continuously 10 Drainage system abnormal Float switch broken down for more than 25m continuously 11 Outside alarm signal input Outside signal broken down for more than 10s 12 Gas pipe temp. sensor abnormal Sensor broken down or short circuit for more than 2m continuously 13 Solenoid valve abnormal Solenoid valve act incorrectly 3 times continuously 14 Discharging temp. sensor abnormal Sensor broken down or short circuit for more than 2m continuously 15 EEPROM abnormal EEPROM data missing 16 Pressure abnormal(low pressure) 17 Compressor overheat Low pressure switch acts in normal running The discharging temperature is higher than 120degree Resumable if lower than 100 degree 18 Abnormal mode Indoor operation mode is different with the running indoor unit. 19 Outdoor coil B(suction temp sensor-for MRV II) Sensor broken down or short circuit for more than 2m continuously 20 Outdoor discharging B(oil temp sensor-for MRV II) Sensor broken down or short circuit for more than 2m continuously shows resumable fault, * shows it is not resumable fault.