Samsung RF31FM Series Manual page 186

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6. Self Diagnosis & Trouble Shooting
6-5. If defrost does not operate (F,R DEF Heater)
**Measuring point of resistance
value according to sensor **
F-DEF : CCN30-"5" ↔ CN76-"1"
measuring resistance value
R-DEF : CN30-"8" ↔ CN76-"1"
measuring resistance value
** 0Ω: Short trouble / Ω∞: Open trouble
Resistance value of sensor according to
temperature
86℃ (30℉)
4.22㏀
68℃ (20℉) 6.05㏀
50℃ (10℉) 8.87㏀ temperature with
32℃ (0℉) 13.29㏀
14℃ (-10℉) 20.42㏀
-4℃ (-20℉) 32.23㏀
-22℉(-30℃) 52.41㏀
Recheck the applicable sensor.
Reference
If defrost sensor temperatures of fresh
food and freezer compartments are
higher than 50℉(10℃), 53.6℉(12℃) by
the heating from heater, heating would
be finished and will return to cooling
operation after a pause.
Is the temperature of
defrost sensor lower
than 53.6℉(12℃)?
Manual defrosting of fresh
food and freezer
operate simultaneously.
If you need the
detail, refer to
Is power applied to
DATA1.
each defrost heaters?
temperature
table
Does the system return
NO
to cooling operation after heating
for specified time?
YES
YES
compartments
YES
YES
YES
Normal
NO
manual operation for a
certain time
If Energy Saver + Fridge Key are pressed
simultaneously for 8seconds and then select
any key, 3rd test mode(manual defrosting) will
be operated.
NO
To do list
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