Service Manual

 Troubleshooting 17 
6. Quick Maintenance by Error Code
If you do not have the time to test which specific parts are faulty, you can directly change the required parts according
the error code.
You can find the parts to replace by error code in the following table.
Part requiring replacement
Error Code
E0 E1 E2 E3 E4 E5 E7 EC F0
Indoor PCB
x
Outdoor PCB x x x x x x x
Display board x x x x x x x x
Indoor fan motor x x x x x x x x
Outdoor fan motor x x x x x x x x x
T1 sensor x x x x x x x x
T2 Sensor x x x x x x x
T3 Sensor x x x x x x x x x
T4 Sensor x x x x x x x x x
TP Sensor x x x x x x x x x
Reactor x x x x x x x x
Compressor x x x x x x x x
Additional refrigerant x x x x x x x x
Part requiring replacement
F1 F2
F3 F4 F5 P0 P1 P2 P4
Indoor PCB
x x x x x x x x x
Outdoor PCB
Indoor fan motor x x x x x x x x x
Outdoor fan motor x x x x x x
T3 Sensor x x x x x x x x
T4 Sensor x x x x x x x x
TP Sensor x x x x x x x x
Reactor x x x x x x x x
Compressor x x x x x x x
IPM module board x x x x x
Additional refrigerant x x x x x x x x x
Note: For certain models, outdoor PCB could not be removed separately. In this case, the outdoor electric
control box should be replaced as a whole.