A6 " Indoor Unit: Overload / Overcurrent / Lock Of Indoor Unit Fan Motor; A6 " Indoor Unit: Overload / Overcurrent; Lock Of Indoor Unit Fan Motor - Daikin VRV III REYQ8PY1 Service Manual

Si37-701
A6
" " Indoor Unit: Overload / Overcurrent / Lock of Indoor
Unit Fan Motor
A6
Remote
Controller
Display
Applicable FXMQ40~125MAVE
Models
Method of This malfunction is detected by detecting that the individual power supply for the fan turns OFF.
Malfunction
Detection
Malfunction When it is not detected that the individual power supply for the indoor unit fan turns ON while in
operation.
Decision
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting
Faulty power supply for the indoor unit fan motor
Clogged drain piping
Actuation of the indoor unit safety device
Faulty contact in the fan wiring circuit
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Is the
power supply
cable of the indoor unit
fan properly
connected?
YES
Restart the fan.
Is the fan normally
running?
NO
Troubleshooting by Indication on the Remote Controller
NO
YES
Properly connect the cable.
It is supposed that the
indoor unit fan motor stops
running due to overload,
overcurrent, or lock.
Replace the indoor unit PC
board.
237