Troubleshooting
4-6 Samsung Electronics
Indoor unit display
X (Operation) X (Defrost) X(Timer)
(Fan) X (Filter)
Wire remote controller display
E154
Symptom
Error of Fan motor in the indoor unit
Failure
Fan error
4-2-3 Fan error
No
No
Yes
Yes
Is the motor connector
disconnected from the PCB?(CN301)
Is there foreign substance
stuck in the motor fan?
Replace the PCB and restart the unit.
Connect the connector to
PCB and restart the unit
Remove the foreign substance
and restart the unit
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