Overload/Overcurrent/Indoor Fan Motor Lock - Daikin VRV IV-S RXTQ-TAVJU Series Service Manual

SiUS331604E
4.6

Overload/Overcurrent/Indoor Fan Motor Lock

A6
Error Code
Applicable
FXMQ-M
Models
Method of Error
This error is detected by detecting that the individual power supply for the fan turns OFF.
Detection
Error Decision When it is not detected that the individual power supply for the indoor fan turns ON while in
Conditions operation.
Supposed
Causes
Troubleshooting
Service Diagnosis
Defective power supply for the indoor unit fan motor
Clogged drain piping
Actuation of the indoor unit safety device
Defective contact in the fan wiring circuit
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Is the
power supply
cable of the indoor
unit fan properly
connected?
YES
Restart the fan.
Is the fan
normally running?
NO
NO
YES
Troubleshooting by Error Code
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 PCB.
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