Daikin FHQ18PVJU Manuel D'installation page 15

Instantaneous overcurrent (outdoor)
L5
Possible earth fault or short circuit in the compressor
motor.
Electric thermal (outdoor)
L8
Possible electrical overload in the compressor or cut
line in the compressor motor.
Stall prevention (outdoor)
L9
Compressor possibly locked.
Transmission malfunction between the outdoor control
LC
units' inverters (outdoor)
P1 Open-phase (outdoor)
P3 PC board temperature sensor malfunction (outdoor)
Heat-radiating fi n temperature sensor malfunction
P4
(outdoor)
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 malfunc-
tion of the PC board mounted on the indoor and the
outdoor units.
U4
If UF is shown, the wire between the indoor and outdoor
UF
units is not properly wired. Therefore, 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 15