Changhong Air Conditioner Fault Codes

Changhong KFR-50LW Air Conditioner Fault Codes

Fault code Cause/ Solution
F1Room temperature sensor error
F2Indoor roll temperature sensor error
F3Outdoor temperature sensor error
F4Outdoor coil temperature sensor error
F5Compressor discharge temperature sensor error
P1Compressor discharge temperature sensor error
P2 Current abnormal
P4 Fault protection
P5Four-way switching valve abnormalities
E1Indoor control board and control plate communication error among the indoor control board
E2Communication between outdoor panel with alter

Changhong KF-35GW Air Conditioner Fault Codes

Fault code Cause/ Solution
E0Natural action
P2Heating overload
F1Chamber temperature sensor mistake
F2The inner disk sensor fault
F3External disk sensor failure

Changhong W3SKFR-120LW Air Conditioner Fault Codes

Fault code Cause/ Solution
E0Working properly
E1Control board and panel communication error
E2Control board and panel communication error
P1Cooling overload
P2Heating overload
P3System abnormalities
P4Temperature sensor is damaged
F1High Voltage Switchgear protection
F2Outer fan thermal protection
F3Fan thermal protection
F4Low pressure switch to protect
F5Reverse protection
F6Phase protection

Changhong KFR-120LW Air Conditioner Fault Codes

Fault code Cause/ Solution
H1Compressor overcurrent protection
H2compressor stall protection
H3not detected compressor current
F2outdoor fan motor thermal protector action
F3indoor fan motor thermal protector action
F4low pressure switch to protect against
F5phase protection
F6phase protection
P1refrigeration system overload
P2thermal overload protection system abnormalities
P3exhaust temperature anomalies
P4automatic mode, the indoor temperature sensor error

Changhong KFR-71LW Air Conditioner Fault Codes

Fault code Cause/ Solution
E1detected coming from the indoor unit abnormal information
E2control panel detected coming from the indoor unit abnormal information
E3Indoor detected coming from the control panel exception information
E4measured indoor unit outdoor unit came from the exception message
E5measured indoor unit outdoor unit came from the exception message
E6outdoor detected coming from the indoor unit abnormal information
E7outdoor found coming from the indoor unit abnormal message

Changhong KFR (d)-25GWE Air Conditioner Fault Codes

Running Lights (Green)Fault Lights (Red)Timing Light (Yellow)Failure
T1 protection
T2 protection
Leakage of fluorine protection
Within the fan failure
Current transformer failure
Without synchronization signal
Overcurrent protection