Daikin FCQ18PVJU Installation Manual page 15

E5 Compressor motor lock malfunction
Outdoor fan motor lock malfunction
E7
Outdoor fan instantaneous overcurrent malfunction
E9 Electronic expansion valve faulty (outdoor unit)
F3 Discharge pipe temperature abnormal (outdoor unit)
F6 The refrigerant is overcharged.
H9 Outdoor air thermistor faulty (outdoor unit)
J3 Discharge pipe thermistor faulty (outdoor unit)
J5 Suction pipe thermistor faulty (outdoor unit)
J6 Heat exchanger thermistor faulty (outdoor unit)
J9 Sensor for heat exchanger is fault.
JA Sensor for high pressure is fault.
JC Sensor for low pressure is fault.
Overheated heat-radiating fi n (outdoor unit)
L4
Inverter cooling defect.
Instantaneous overcurrent (outdoor unit)
L5
Possible earth fault or short circuit in the compressor
motor.
Electric thermal (outdoor unit)
L8
Possible electrical overload in the compressor or cut
line in the compressor motor.
Stall prevention (outdoor unit)
L9
Compressor possibly locked.
Transmission malfunction between the outdoor control
LC
units' inverters (outdoor unit)
P1 Open-phase (outdoor unit)
PC board temperature sensor malfunction (outdoor
P3
unit)
Heat-radiating fi n temperature sensor malfunction
P4
(outdoor unit)
Type set improper (outdoor unit)
PJ
Capacity data is wrongly preset. Or there is nothing
programmed in the data hold IC.
U0 Suction pipe temperature abnormal
Power source voltage malfunction
U2
Includes the defect in K1M.
U3 The check operation has not performed.
Transmission error (indoor unit – outdoor unit)
Miswiring between indoor and outdoor units or
malfunction of the PC board mounted on the indoor
and the outdoor units.
If UF is shown, the wire between the indoor and
U4
outdoor units is not properly wired. Therefore,
UF
immediately disconnect the power supply and correct
the wire. (The compressor and the fan mounted on the
outdoor unit may start operation independent of the
remote controller operation.) The power is not supplied
to outdoor unit.
U9 Same transmission for in / outdoor unit is fault.
Miss setting for multi system
UA
Setting is wrong for selector switch of multi-system.
(see switch SS2 on the main unit's PC board)
English 14