Fan Error - Samsung AHU Series Service Manual

Troubleshooting

4-2-3 Fan error

Indoor unit display
Wire remote controller display
Symptom
Failure
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.
4-6
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X (Operation) X (Defrost) X(Timer)
E154
Error of Fan motor in the indoor unit
Fan error
No
No
(Fan) X (Filter)
Yes
Connect the connector to
PCB and restart the unit
Yes
Remove the foreign substance
and restart the unit
Samsung Electronics