Daikin FCA71AV16, Installation Manual

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12-2 MALFUNCTION CODE LIST
• For places 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
AO Safety device operates
A1 Indoor unit's PC board faulty
A3 Drain water level abnormal
A6
E0
E1
E3
E4
ES
E7
E9
EA
F3
H3
H4
H7
Indoor fan motor overloaded, overcurrent or locked
Fan PCB power supply error
Humidifier faulty
Air cleaner faulty
Only the air cleaner does not function.
Type set improper
Capacity data is wrongly preset. Or there is nothing programmed in the data hold IC.
Indoor PCB (Master) - indoor PCB (Slave) transmission defect
Sensor (R2T) for heat exchanger temperature is fault
Sensor (R3T) for heat exchanger temperature is fault
Fan PCB setting defect
Sensor for suction air temperature is fault
Humidity sensor abnormal
Human detection / floor temperature sensor error
Sensor for remote controller is fault
The remote controller thermistor does not function, but the system thermo run is
possible.
Action of safety device (outdoor unit)
Outdoor unit's PC board faulty
High pressure abnormal (outdoor unit)
Low pressure abnormal (outdoor unit)
Compressor motor lock malfunction
Outdoor fan motor lock malfunction
Outdoor fan instantaneous overcurrent malfunction
Electronic expansion valve faulty (outdoor unit)
Error from defect of change 4 way valve (outdoor)
Discharge pipe temperature abnormal (outdoor unit)
High pressure switch faulty (outdoor unit)
Low pressure switch faulty (outdoor unit)
Outdoor motor position signal malfunction
Outdoor air thermistor faulty (outdoor unit)
Equipment operation in response to errors will vary according to model.
Discharge pipe pressure sensor faulty (outdoor unit)
Suction pipe pressure sensor faulty (outdoor unit)
Pressure sensor system error (batch) (outdoor unit)
Power sensor system error (outdoor unit)
Discharge pipe thermistor faulty (outdoor unit)
Equipment operation in response to errors will vary according to model.
Suction pipe thermistor faulty (outdoor unit)
Heat exchanger thermistor faulty (outdoor unit)
Equipment operation in response to errors will vary according to model.
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