Installation manual

English 23
12-3 Malfunction code list
• For plases where the Malfunction code is left blank, the “ ” indication is not displayed. Though the system
continues operating, be sure to inspect the system and make repairs as necessary.
• Depending on the type of indoor or outdoor unit, the Malfunction code may or may not be displayed.
Code Malfunction/Remarks
A1 Indoor unit’s PC board faulty
A3 Drain water level abnormal
A6 Indoor fan motor overloaded, overcurrent or locked
AF Humidifier faulty
AH
Air cleaner faulty
Only the air cleaner does not function.
AJ
Type set improper
Capacity data is wrongly proset. Or there is nothing programmed in the data hold IC.
C4 Sensor for heat exchanger temperature is fault
C9 Sensor for suction air temperature is fault
CC Humidity sensor abnormal
CJ
Sensor for remote controller is fault
The remote controller thermistor does not function, but the system thermo run is
possible.
E0 Action of safety device (outdoor unit)
E1 Outdoor unit’s PC board faulty
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 instantneous 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
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.
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.
01_EN_3P184443-6.fm Page 23 Monday, July 3, 2006 12:04 PM