24■English
Malfunction
code
Descriptions and measures Remarks
C1
Transmission error between indoor Printed Circuit Board (Master)
and indoor Printed Circuit Board (Slave)
C4 Indoor heat exchanger liquid pipe temperature sensor malfunction Abnormal stop is applied depending on the model or condition.
C5
Indoor heat exchanger condenser / evaporator temperature sensor
malfunction
Abnormal stop is applied depending on the model or condition.
C9 Suction air thermistor malfunction Abnormal stop is applied depending on the model or condition.
CJ Remote controller air thermistor malfunction
Remote controller thermo does not function, but body thermo
operation is enabled.
E0 Action of safety device (Outdoor unit)
E1 Outdoor Printed Circuit Board failure (Outdoor unit)
E3 High pressure switch (HPS) activated
Depending on the type of outdoor unit connected, the
malfunction code may not be displayed.
E5
OL (compressor overload) started, high pressure switch (HPS)
activated
Depending on the type of outdoor unit connected, the
malfunction contents may be different.
E6 Compressor motor lock by over current (Outdoor unit)
E7
Outdoor fan motor lock malfunction (Outdoor unit)
Outdoor fan instant overcurrent malfunction (Outdoor unit)
E8 Input overcurrent (Outdoor unit)
EA Cooling/heating switch malfunction (Outdoor unit)
F3 Discharge piping temperature malfunction (Outdoor unit)
F6 High pressure control (in cooling) (Outdoor unit)
F8 Operation halt due to compressor internal temperature abnormality
H0 Sensor fault for inverter (Outdoor unit)
H6 Operation halt due to faulty position detection sensor
H8 CT abnormality (Outdoor unit)
H9 Outdoor air thermistor system malfunction (Outdoor unit) Abnormal stop is applied depending on the model or condition.
J3 Discharge piping thermistor system malfunction (Outdoor unit) Abnormal stop is applied depending on the model or condition.
J6
Outdoor heat exchanger distributor liquid piping thermistor
malfunction (Outdoor unit)
Abnormal stop is applied depending on the model or condition.
L3 Reactor thermistor malfunction (Outdoor unit)
L4 Overheated heat-radiating n (Outdoor unit) Inverter cooling failure.
L5 Instantaneous overcurrent (Outdoor unit)
The compressor engines and turbines may be experiencing a
ground fault or short circuit.
P4 Heat-radiating n thermistor malfunction (Outdoor unit) Abnormal stop is applied depending on the model or condition.
U0 Suction piping temperature abnormal (Outdoor unit)
The refrigerant may be insufcient.
Abnormal stop is applied depending on the model or condition.
U2 Power voltage malfunction (Outdoor unit)
The inverter open-phase or main circuit condenser may be
malfunctioning.
Abnormal stop is applied depending on the model or condition.
U4
UF
Transmission error (between indoor and outdoor units)
Wiring error between indoor and outdoor unit. Or Indoor and
outdoor Printed Circuit Board failure.
U5 Transmission error (between indoor and remote controller units)
Transmission between indoor unit and remote controller is not
performed properly.
U7 Transmission error of the inverter module
UA Field setting error System setting error of the simultaneous on/off multi-split type.
UE
Transmission error (between indoor unit and centralized remote controller)
UC Remote controller address setting error
English
01_EN_3P674701-1B.indd 24 2022/06/02 10:06:30
To Next Page
Loading...
Need help?
General
