Defrosting Not Working - Frigidaire FFBN1721TV0 Technical & Service Manual

Service Manual - Four-door Refrigerator ( FFBN1721TV0 )
Troubleshooting

Defrosting not Working

Page 42
Yes
Gap in the
door seal ?
No
High ambient
Yes
Humidity,
frequent
open and close ?
No
Yes
Large moisture
in food ?
No
Yes
Air duct block ?
No
Yes
Defrosting
system failure ?
No
Defrost by hand
and recheck
whether it
fails again
Heat the door seal by blower or
replace it.
It is a normal phenomenon, reducing
the frequency of switiching the door
will reduce the frost.
Seal the food before putting in the
refrigerator.
1. Adjust the food containers to keep
air duct passage clear.
2. Adjust air duct switch.
Check defrosting
parts OK ?
No
Replace
defrosting parts