Diagnostic Information (Trouble Shooting); Fault Codes - Haier SYJS-0308 Service Manual

7 DIAGNOSTIC INFORMATION (TROUBLE SHOOTING)

7.1 Fault Codes

In order to make repair and maintenance convenient, we set "Automatic troubleshooting"
function in indoor unit and centralized controller. If any abnormal phenomenon occurs in
operation, you can determine the trouble part and condition from the indicator light in indoor unit
or the trouble code on the centralized controller.
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
Flashing times
Flashing once
Flashing twice
Flashing 3 times
Flashing 4 times
Flashing 5 times
Flashing 6 times
Flashing 8 times
Flashing 10 times
Flashing 11 times
Flashing 12 times
Flashing 13 times
Flashing 14 times
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
Indoor unit malfunction
The liquid tube temperature sensor is abnormal
The gas tube temperature sensor is abnormal
The environment temperature sensor is abnormal
The communication with outdoor unit is abnormal
The communication with the electronic expansion
valve control board is abnormal
The communication
communication chip is abnormal
PMV strong electricity board is abnormal
Indoor unit PG fan motor is abnormal
Indoor unit water overflow or float switch is abnormal
Indoor unit EEPROM data is abnormal
Indoor unit is overload
The communication between indoor unit and wire
remote controller is abnormal
Outdoor unit Trouble contents
Outdoor unit defrost temp. sensor is abnormal
Outdoor unit environment temp. sensor is abnormal
Outdoor unit
abnormal
Outdoor unit discharging temperature
abnormal
Outdoor unit evaporating 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
protection
The communication
857&communication chip is abnormal
Outdoor unit high pressure protection
High pressure sensor PD is abnormal
Low pressure sensor PS is abnormal
between indoor
suction temperature
temperature
between
846 and
sensor is
sensor is
overheat
the