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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
Indoor PCB
Outdoor PCB
Display board
Indoor fan motor
T1 sensor
T2 Sensor
T2B Sensor
Reactor
Compressor
Additional refrigerant
Part requiring
replacement
Outdoor PCB
Indoor fan motor
Outdoor fan motor
T3 Sensor
T4 Sensor
TP Sensor
Reactor
Compressor
IPM module board
High pressure protector
Low pressure protector
Additional refrigerant
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.
7. Troubleshooting by Error Code
EH 00/
EL 01
EH 02
EH 0A
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
EC 53
EC 52
EC 54
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Troubleshooting 17
Troubleshooting 17
Error Code
EH 03
EH 60
EH 61
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
EC 51
EC 07
PC 00
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
EH 0b
EL 0C
EC 56
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
PC 01
PC 02
PC 03
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
PC 08
x
x
x
x
x
x
x
x
PC 04
x
x
x
x
x
x
x
x
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