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E3
High pressure abnormal (outdoor unit)
E4
Low pressure abnormal (outdoor unit)
E5
Compressor motor lock malfunction
E7
Outdoor fan motor lock malfunction
Outdoor fan instantaneous overcurrent malfunction
E9
Electronic expansion valve faulty (outdoor unit)
F3
Discharge pipe temperature abnormal (outdoor unit)
H3
High pressure switch faulty (outdoor unit)
H4
Low pressure switch faulty (outdoor unit)
H7
Outdoor motor position signal malfunction
H9
Outdoor air thermistor faulty (outdoor unit)
Equipment operation in response to errors will vary according to model.
JA
Discharge pipe pressure sensor faulty
JC
Suction pipe pressure sensor faulty
J1
Pressure sensor system error (batch) (outdoor unit)
J2
Power sensor system error (outdoor unit)
J3
Discharge pipe thermistor faulty (outdoor unit)
Equipment operation in response to errors will vary according to model.
J5
Suction pipe thermistor faulty (outdoor unit)
J6
Heat exchanger thermistor faulty (outdoor unit)
Equipment operation in response to errors will vary according to model.
J7
Heat exchanger thermistor faulty (outdoor unit)
Equipment operation in response to errors will vary according to model.
J8
Liquid piping temperature sensor system error (outdoor unit)
J9
Intake temperature sensor error (outdoor unit)
L1
Inverter system error (outdoor unit)
L4
Overheated heat-radiating fin (outdoor unit)
Inverter cooling defect.
L5
Instantaneous overcurrent (outdoor unit)
Possible earth fault or short circuit in the compressor motor.
L8
Electric thermal (outdoor unit)
Possible electrical overload in the compressor or cut line in the compressor motor.
L9
Stall prevention (outdoor unit)
Compressor possibly locked.
LC
Transmission malfunction between the outdoor control units’ inverters (outdoor unit)
P1
Open-phase (outdoor unit)
P3
P-board temperature sensor malfunction (outdoor unit)
P4
Heat-radiating fin temperature sensor malfunction (outdoor unit)
PJ
Type set improper (outdoor unit)
Capacity data is wrongly preset. Or there is nothing programmed in the data hold IC.
U0
Suction pipe temperature abnormal
U1
Reverse phase
Reverse two phase of the L1,L2and L3 leads.
U2
Power source voltage malfunction (outdoor unit)
Includes the defect in 52C.