Damper Error - Samsung ERV Operating Instructions Manual

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.
No
Is DAMPER switch working?
PCB check or
replacement
No
Is OPEN/SHORT signal working
Switch check or
replacement
PCB check or replacement
9-10
Yes
at connector (CN51)?
Yes
E654 code appears when unit operation
starts or while it is in operation.
Is DAMPER Motor connector of
PCB(CN72) dislocated from PCB?
Is DAMPER switch connector
of PCB (CN51) dislocated from PCB?
Yes
Is AC220-240V power measured from
connector (CN72) ①↔③?
PCB check or replacement
Yes
Assembly the
No
Check operation
Yes
Assembly the
No
Check operation
No
Samsung Electronics
connector
connector