Haier AE122FCAKA Instruction Manual page 36

Malfunction
Remote controller Timer and Operation indicator malfunction code
When the unit running, Timer indicator flash stand for indoor unit malfunction
operation indicator flashing stand for outdoor unit malfunction
1. Indoor unit malfunction
Timer indicator Indoor unit malfunction
Flashing times
Flashing once The liquid tube temperature sensor is abnormal
Flashing twice The gas tube temperature sensor is abnormal
Flashing 3 times The environment temperature sensor is abnormal
Flashing 4 times The communication with outdoor unit is abnormal
Flashing 5 times The ommunication with the electronic expansion valve control board is abnormal
Flashing 6 times The communication between indoor 846 and communication chip is abnormal
Flashing 8 times PMV strong electricity board is abnormal
Flashing 10 times Indoor unit PG fan motor is abnormal
Flashing 11 times Indoor unit water overflow or float switch is abnormal
Flashing 12 times Indoor unit EEPROM data is abnormal
Flashing 13 times Indoor unit is overload
Flashing 14 times The communication between indoor unit and wire remote controller is abnormal
2.Outdoor unit malfunction
Operation indicator
flashing times
Flashing once
Flashing twice
Flashing 3 times
Flashing 4 times
Flashing 5 times
Flashing 6 times
Flashing 7 times
Flashing 9 times
Flashing 10 times
Flashing 11 times
Flashing 12 times
Flashing 13 times
Flashing 14 times
Flashing 15 times
Outdoor unit Trouble contents
Outdoor unit defrost temp. sensor is abnormal
Outdoor unit environment temp. sensor is abnormal
ction temperature sensor is abnormal
Outdoor unit discharging temperature sensor is abnormal
Outdoor unit evapor ating temperature sensor is abnormal
Outdoor unit AC over-current protection
Outdoor unit DC voltage is insufficient protection
IPM protection
Outdoor unit EEPROM is abnormal
Compressor discharging
The communication between the 857&communication chip is abnormal
Outdoor unit high pressure protection
High pressure sensor PD is abnormal
Low pressure sensor PS is abnormal
35
temperature overheat protection