F ERROR CODES
Fault
Code Fault Description
Fault
Code Fault Description
F1 Compressor IPM error FE EE error(outdoor)
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
(outdoor)
P2
Dc bus voltage Undervoltage
protection
E3 DC fan Feedback failure (indoor)
E4
Communication error (indoor and
outdoor)
P6
Coil tube overload protection
(indoor)
F6 PCB communication error P7
Defrost protection on coil tube
(indoor)
P3 AC Input voltage protection E2 Sensor error on indoor coil tube
P4 AC over-current protection E1 Temperature sensor error (indoor)
P5 AC undervoltage protection P8
Zero-crossing fault detection
(indoor)
F7 Coil sensor error (outdoor) EE EE error (indoor)
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 (outdoor) FL Water-full protection
E7 Fan motor error (outdoor) Eb Fluoride deciency protection
EA Reversing fault of four-way valve
4
93
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