LG LSC 26945SW, Service Manual

Page: 72 / 107

2-6. Icing
TROUBLE DIAGNOSIS
- 72 -
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 defro
st
refrigerator
- Clogged intake port in the
(check discharge and intake port
- Sealing on connecting parts.
related parts if probl
em
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 does not freeze
- 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, where it
and refrigerator compartment.
condenses and freezes. This interferes with cold air circulation and sublimation of the ice.
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.