Samsung RM255BABB Refrigerator User Manual


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DIAGNOSTIC
6-3) If the defrost function doesn’t work
Is defrosting sensor by
self-diagnosis normal?
Start
Exchange and troubleshoot the
corresponding sensor.
󳀎 See test function in the manual.
󳀎 Recheck the corresponding sensor for
an error if it fails in return.
󳀎 See ‘Load Drive Circuit section’ and
Ref. 2: How to check or failure
Are all defrosting
heaters normal?
Check temp. fuse, breaking of heater
contact of wire, and so on.
Is temperature of the corresponding
defrosting sensor below 23
?
Run forced operation for a
specified period.
Repair the connection of terminal.
Perform forced defrosting for F
and R room one at a time.
Normal
Check temp. fuse, breakn of heater contact of
wire, and so on.
Exchange or troubleshoot the failure relay or
exchange PCB assembly.
Is power applied to the
respective defrosting heaters?
Does return to the cooling operation
after heating for a specified period?
Is the connection of terminal in
Main PCB normal?
NO
NO
YES
YES
NO
YES
NO
NO
NO
YES
YES
YES
If temp. of F, R defrosting sensors by the
heaters working are over 5063
respectirely, operation of defrosting heaters is
over and return to normal operation after a
respite.
Reference
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