Daikin FBQ20EAVAK, Installation Manual

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E3 High pressure abnormal (outdoor unit)
E4 Low pressure abnormal (outdoor unit)
E5 Compressor motor lock malfunction (outdoor unit)
E7
Outdoor fan motor lock malfunction
Outdoor fan instantaneous overcurrent malfunction (outdoor unit)
E9 Electronic expansion valve faulty (outdoor unit)
F3 Discharge pipe temperature abnormal (outdoor unit)
H3 High pressure switch faulty (outdoor unit)
H7 Outdoor motor position signal malfunction (outdoor unit)
H9
Outdoor air thermistor faulty (outdoor unit)
The air conditioner comes to a stop due to an error depending on the model or operating
conditions.
J1 Pressure sensor system error (batch) (outdoor unit)
J2
Current sensor faulty
J3
Discharge pipe thermistor faulty (outdoor unit)
The air conditioner comes to a stop due to an error depending on the model or operating
conditions.
J5 Suction pipe thermistor faulty (outdoor unit)
J6
Heat exchanger thermistor faulty (outdoor unit)
The air conditioner comes to a stop due to an error depending on the model or operating
conditions.
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 Suction temperature sensor faulty (outdoor unit)
JA Pressure sensor for discharge pipe faulty (outdoor unit)
JC Pressure sensor for suction pipe faulty (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 PC 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
The quantity of refrigerant may be insufficient.
U1
Reverse phase
Reverse two of the L1,L2 and L3 leads.
U2
Power source voltage malfunction (outdoor unit)
Inverter phase loss or a failure in the main circuit capacitor may be resulting.
01_EN_3PN06583-10W.fm Page 26 Thursday, March 24, 2011 9:03 AM