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F
ERROR CODES
Fault
Code
F1
F2
F3
F4
F5
FA
P2
E4
F6
P3
P4
P5
F7
F8
E0
E6
E7
4
112
Fault Description
Compressor IPM error
PFC/IPM error
Compressor start error
Compressor running out of step
Location detection loop failure
Phase current overcurrent protection
Dc bus voltage Undervoltage
protection
Communication error (indoor and
outdoor)
PCB communication error
AC Input voltage protection
AC over-current protection
AC undervoltage protection
Coil sensor error (outdoor)
Sensor on suction pipe error
Sensor on discharge pipe error
Temperature sensor error (outdoor)
Fan motor error (outdoor)
Fault
Code
Fault Description
FE
EE error(outdoor)
Return air sensor temperature
PA
abnormal protection
Over-heat protection on top of
P1
compressor
PE
Abnormal refrigerant circulation
PH
Exhaust temperature protection
Coil tube overload protection
PC
(outdoor)
E3
DC fan Feedback failure (indoor)
Coil tube overload protection
P6
(indoor)
Defrost protection on coil tube
P7
(indoor)
E2
Sensor error on indoor coil tube
E1
Temperature sensor error (indoor)
Zero-crossing fault detection
P8
(indoor)
EE
EE error (indoor)
E5
Water-splash motor error
E8
Fan feedback fault
FL
Water-full protection
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