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6. Quick Maintenance by Error Code
If you do not have the time or tools to test which specific parts are faulty, you can directly change the required parts
according to 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
Reactor
Compressor
Additional refrigerant
Part requiring
replacement
Indoor PCB
Outdoor PCB
Indoor fan motor
Outdoor fan motor
T3 Sensor
T4 Sensor
TP Sensor
T2B Sensor
Reactor
Compressor
IPM module board
High pressure protector
Low pressure protector
Additional refrigerant
Note: For certain models, outdoor PCB cannot be removed separately. In this case, the outdoor electric
control box should be replaced as a whole.
E0
E1
/
EH 00
EH 0A EL 01 EH 02 EH 03 EH 60 EH 61 EH 0
x
x
x
x
x
x
x
x
x
x
x
x
x
x
F1
F2
F3
EC 53 EC 52 EC 54 EC 56 EC 51 EC 07 PC 00 PC 01 PC 02 PC 03 PC 04
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
x
x
x
x
x
x
Troubleshooting
Error Code
E2
E3
E4
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
F6
F4
F5
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
x
x
x
x
x
x
x
18
E5
E7/Eb
b
EL 0C PC 08
x
x
x
x
x
x
x
x
x
x
x
x
x
x
P0
P1
P2
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
x
EC
F0
x
x
x
x
x
x
x
x
x
x
x
x
x
P6
P4
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
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