User Manual

24
ERROR CODES
Fault
Code
Fault Description
Fault
Code
Fault Description
F1
Compressor IPM error
FE
EE error (condenser circuit)
F2
PFC/IPM error
PA
Return air sensor temperature abnormal
protection
F3
Compressor start error
P1
Over-heat protection on top of compressor
F4
Compressor running out of step
PE
Abnormal refrigerant circulation
F5
Location detection loop failure
PH
Exhaust temperature protection
FA
Phase current overcurrent
protection
PC
Coil tube overload protection
(condenser circuit)
P2
Dc bus voltage Undervoltage
protection
E3
DC fan Feedback failure (evaporator circuit)
E4
Communication error ( evaporator
circuit and condenser circuit )
P6
Coil tube overload protection (evaporator
circuit)
F6
PCB communication error
P7
Defrost protection on coil tube (evaporator
circuit)
P3
AC Input voltage protection
E2
Sensor error on indoor coil tube
P4
AC over-current protection
E1
Temperature sensor error (evaporator
circuit)
P5
AC undervoltage protection
P8
Zero-crossing fault detection (evaporator
circuit)
F7
Coil sensor error(condenser circuit)
EE
EE error (evaporator circuit)
F8
Sensor on suction pipe error
E5
Water-splash motor error
E0
Sensor on discharge pipe error
E8
Fan feedback fault
E6
Temperature sensor error
(condenser circuit)
FL
Water-full protection
E7
Fan motor error (condenser circuit)