SiUS331604E Troubleshooting by Error Code
Service Diagnosis 146
4.6 Overload/Overcurrent/Indoor Fan Motor Lock
Error Code A6
Applicable
Models
FXMQ-M
Method of Error
Detection
This error is detected by detecting that the individual power supply for the fan turns OFF.
Error Decision
Conditions
When it is not detected that the individual power supply for the indoor fan turns ON while in
operation.
Supposed
Causes
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
Troubleshooting
Properly connect the cable.
NO
YES
YES
Is the
power supply
cable of the indoor
unit fan properly
connected?
NO
Is the fan
normally running?
Restart the fan.
Replace the indoor unit PCB.
It is supposed that the indoor
unit fan motor stops running
due to overload, overcurrent, or
lock.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
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