Troubleshooting
Page 90
4. Quick Maintenance by Error Code
If you do not have the time to test whether 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.
For ceiling&floor type and super-slim cassette type:
Part requiring replacement
Error Code
E2 E3 E4 E7 E8 E0 EC F0 F1
Indoor PCB
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
Additional refrigerant x x x x x x x
Water-level switch
x x x x x x x x
Water pump
x x x x
x x x x
Louver motor x x x x x x x x
Up-down panel PCB x x x x x x x x
For A6 Duct type:
Part requiring replacement
Error Code
E0 E4 E5 EE EC F2 FA
Indoor PCB
x
T1 sensor x x x x x x
T2 Sensor x x
x x x
T3 Sensor x x x x x
x
Additional refrigerant x x x x x x
Water-level switch
x x x x x x
Water pump
x x x
x x x
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