Supply Air Fan Error - Samsung ERV Operating Instructions Manual

9-4-3 Supply Air Fan Error

Error Mode Supply air fan error
Display
Check Method ERROR occurs, if Motor RPM is lower than 120 RPM for about 40 seconds.
Cause PCB check, Motor check
Sensor SPEC. Motor RPM outputs square wave.
Yes
Is Motor RPM is lower
than 120?
Yes
Motor check or
replacement
Samsung Electronics
E561 code appears when
unit operation starts or while it is in operation.
Is Motor connector (CN74)
of PCB dislocated from PCB?
No
Does Motor rotate in case of operation?
No
Is DC0V~DC6V power measured
from Motor ③↔⑤?
No
PCB check or replacement
Yes
Assembly connector
Check product
operation
9-5