Overload/Overcurrent/Lock Of Indoor Fan Motor - Daikin VRV Aurora RXLQ-TATJU Series Service Manual

Troubleshooting by Error Code
3.8

Overload/Overcurrent/Lock of Indoor Fan Motor

Applicable
FXMQ-M
Models
A6
Error Code
Outline
This error is detected by detecting that the individual power supply for the fan turns OFF.
Error Decision
When it is not detected that the individual power supply for the indoor fan turns ON while in
Conditions operation.
Supposed
 Defective power supply for the indoor fan motor
Causes  Clogged drain piping
 Activation of the indoor unit safety device
 Defective contact in the fan wiring circuit
Troubleshooting
243
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Is the
power supply
NO
cable of the indoor fan
properly
connected?
YES
Restart the fan.
Is the fan
YES
normally running?
NO
SiUS341802EC
Properly connect the cable.
It is supposed that the indoor
fan motor (M1F, M2F) stops
running due to overload,
overcurrent, or lock.
Replace the indoor unit control
PCB (A1P).
Part 6 Service Diagnosis