Troubleshooting Guide

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
Error Code
E0 E1 E2 E3 E4 E5 E7/Eb EC F0
EH 00
/
EH 0A
EL 01 EH 02 EH 03 EH 60 EH 61 EH 0 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
F1 F2
F3 F6 F4 F5 P0 P1 P2 P6 P4
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 cannot be removed separately. In this case, the outdoor electric
control box should be replaced as a whole.
 Troubleshooting 18
b