2-6. Icing
TROUBLE
D
IAGNOSIS
-6
1-
Problems
Causes
Checks
Measures
Remarks
Icing in the
1) Bad circulation of cool air.
- Check the food is stored properly
- Be acquainted with how to use.
- Check the defrost
refrigerator
- Clogged intake port in the
(check discharge and intake port
- Sealing on connecting parts.
related parts if problem
compartment.
refrigerator compartment.
are clogged).
- Check the damper and replace
is caused by faulty
- Damper icing.
- Sealing is not good.
- Check icing on the surface of
it if it has defects.
defrosting.
- Pipe icing.
- Too much food is stored and clogs
baffle and cool air path (pipe) after
- Check defrost. (After forced
- Discharging
the discharge port.
dissembling the container box.
defrosting, check ice in the
pipe icing.
- Bad defrosting.
- Check icing at intake ports of
evaporator and pipes.)
freezer and refrigerator
compartment.
2) Faulty door or refrigerator
- Check gasket attached conditions.
- Correct the gasket attachment
- Replacement should
compartment.
- Check door assembly conditions.
conditions and replace it.
be done when it
- Faulty gasket.
- Door assembly and replacement.
cannot be repaired.
- Faulty assembly.
3) Overcooling in the refrigerator
- Check refrigerator compartment
- Replace faulty parts.
compartment.
is overcooled (when button
- Faulty damper in the refrigerator
pressed on "weak").
compartment.
- Check parts are faulty.
- Faulty MICOM (faulty sensor)
4) Bad defrosting
- Check frost on the evaporator
- Check parts related to defrosting.
- Moisture cannot frost
- Heater wire is cut.
after dissembling shroud and fan
- Check defrosting. (Check ice on the
on the evaporator but
- Defective defrost sensor.
grille.
evaporator and pipe.)
can be sucked into the
- Defrosing cycle.
- Check ice on intake port of freezer
refrigerator, being
and refrigerator compartment.
condensed and iced,
interferes with cool air
circulation, and
suppresses sublimation.
5) Customers are not familiar with
- Check food interferes with door
- Be acquainted with how to use.
this machine.
closing.
- Door opens.
- Check ice on the ceilings.
- High temperature, high moisture,
and high load.
