4-10 Samsung Electronics
Wire remote controller display
E154
Symptom
Error of Fan motor in the indoor unit
Failure
Fan error
4-3-4 Fan error
No
No No
No
Was FAN stopping in operation?
How soon do the error occur after fan
opreation?
LED of BLDC PBA is turned on? Is the power wire connected properly?
Yes
Yes
Yes
Yes
Is the motor connector
disconnected from the PCB?(CN301)
Replace the MAIN/BLDC PCB and
restart the unit.
Replace the MAIN/BLDC PCB and
restart the unit.
Connect the connector to
PCB and restart the unit
Replace the BLDC PCB
and restart the unit.
After normal connection of
power wire, restart the unit.
Replace the BLDC PCB
and restart the unit.
More than
6 minutes
About one minute
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