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Problem Solving
Error Codes
When there is a problem with your air conditioner, the temperature indicator on indoor
unit will blink to display an error code. Please see a description of error codes below.
The list below is a summary of error codes. Professionals will need to refer to the
complete error code list in their product service manual for more information.
Error code
CL
H0
H1
H2
H3
H4
H5
H6
C8
C9
E0
CJ
FF
C3
Cb
If there are other errors codes, please contact a qualified professional immediately.
Note:
This diagram is only for reference. Please refer to your
individual product to find the actual indicator and position on
the display.
Name
Filter clean reminder
High exhaust temperature protection
Overcapacity protection
Compressor overload protection
Anti-frost protection
System high pressure protection
System low pressure protection
Lack refrigerant / valve stop protection
Auxiliary heat adhesion protection
The communication between indoor unit and wired controller fault
Indoor temperature sensor open / short circuit
Wired controller temperature sensor fault
Defrost or heating oil return
Indoor unit reporting outdoor unit fault
Water full protection
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