Use and Care 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
EH 00 EL 01 EH 02 EH 03 EH 60 EH 61 EH 0b EL 0C PC 08
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
T1 sensor x x x x x x x x
T2 Sensor 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
EC 53 EC 52
EC 54 EC 56 EC 51 EC 07 PC 00 PC 01 PC 02 PC 03 PC 04
Indoor PCB
x x x x x x x x x x x
Outdoor PCB
Indoor fan motor x x x x x x x x x x x
Outdoor fan motor x x x x x x x
T3 Sensor x x x x x x x x x x
T4 Sensor x x x x x x x x x x
TP Sensor x x x x x x x x x x
T2B Sensor x x x x x x x x x x
Reactor x x x x x x x x x x
Compressor x x x x x x x x x
IPM module board x x x x x x x
High pressure protector x x x x x x x x x x
Low pressure protector x x x x x x x x x x
Additional refrigerant x 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.