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4-2-3 Fan error
Indoor unit display
Wire remote controller display
Symptom
Failure
disconnected from the PCB?(CN301)
Replace the PCB and restart the unit
Samsung Electronics
X (Operation)
X (Defrost)
E154
Error of Fan motor in the indoor unit
Fan error
Is the motor connector
No
Is there foreign substance
stuck in the motor fan?
Yes
X(Timer)
(Fan) X (Filter)
Yes
Yes
Connect the connector to
PCB and restart the unit
Remove the foreign substance
and restart the unit
4-7
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Troubleshooting
