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f
co
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Problems
Causes
Checks
Measures
Remarks
No defrosting
Melflng fuse blows out.
- Check melting fuse with tester. -
Faullty parts: parts replacement.
1) Lead wire is cut.
If OQ: OK.
- Check wire color when maeasuring
2) Bad soldering.
If _2: wire is cut.
resistance with a tester.
Ice in the Sucking duct.
1. Check the inner duct with mirror.
1) Turn power off.
1) Icing by foreign materials in the
duct.
2) icing by cool air inflow through
the gap of heater plate.
3) Icing by the gap of heater plate.
2) Raise the front side(door side),
support the front side legs, and let
the ice melt naturally. (If power is
on, melt the frost by forced
defrosting.)
Bed cool air inflow and discharge,
and bad defrosting due to faulty
contact and insertion (bad connector
insertion into housing of heater,
melting, fuse and motor fan).
2. Check by inserting soft copper
wire into the duct (soft and thin
copper not to impair heating wire).
1. Turn on power, open or close the
door, check that motor fan
operates (If it operates, motor fan
is OK).
2. Disconnect
parts in the refrigeratol
compar'(ment, check the connection
around the housing visually,
defrost, and confirm heat generation
on the heater. Do not put hands or
the sheath heater.
3. Check the parts which have faults
described
in 1, 2 (mechanical
model: disconnect
thermostat
from the assembly).
3) Reassemblethe heater plate.
1) Check the faulty connector
of
housing and reassemble
wrongly
assembled parts.
2) If the parts are very damaged,
remove the parts and replace it
with a new one.
F.
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