9-10
Samsung Electronics
9-4-8 DAMPER Error
Error Mode
DAMPER Error
Display
Check Method
Check error if there is no input in case of DAMPER output for 100 seconds (time required when it rotates 5 turns).
Cause
PCB check, Motor check, Switch check
Sensor SPEC.
Switch check or
replacement
PCB check or
replacement
No
No
Yes
Yes
Check operation
Assembly the
connector
Yes
No
Check operation
No
Is DAMPER Motor connector of
PCB(CN72) dislocated from PCB?
Assembly the
connector
Yes
Is DAMPER switch working?
PCB check or replacement
E654 code appears when unit operation
starts or while it is in operation.
No
Is DAMPER switch connector
of PCB (CN51) dislocated from PCB?
Is AC220-240V power measured from
connector (CN72)
①↔③?
Is OPEN/SHORT signal working
at connector (CN51)?
PCB check or replacement
Yes
