LG LSC 27950SB, Service Manual

Page: 74 / 108

TROUBLE DIAGNOSIS
- 74 -
Problems
Causes
Checks
Measures
Remarks
Ice in the freezer 1) Bad cooling air circulation.
- Check food storage conditions
- Be acquainted with how to use.
- Check the parts related
compartment.
- Intake port is clogged in the freezer
visually. (Check clogging at intake
- Check defrost (Check ice on the
to defr
osting if the
- Surface of fan
compartment.
and discharging port of cooling air.)
evaporator and pipes after forced
problem is caused by
grille.
- Discharging port is Clogged.
- Check food occupation ratio in
defrosting).
the faulty defrosting.
- Wall of freezer
- Too much food is stored.
volume (Less than 75%).
compartment.
- Bad defrosting.
- Check frost on the evaporator after
- Cool air
dissembling shroud and fan grille.
discharging port.
- Check icing at intake port of
- Basket(rack)
refrigerator compartment.
area.
- Food surface.
2) Bad freezer compartment door
- Check gasket attachment
- Correct the gasket attachement
- Replace when it can n
ot
- Icing in the
- Faulty gasket
conditions.
conditions and replace it.
be repaired.
shute.
- Faulty assembly
- Check door assembly conditions.
- Door assembly and replacement.
3) Over freezing in the freezer
- Refrigerator operates pull down.
-Replace defective parts.
compartment.
(Check if it is operated
- Faulty MICOM.
intermittently)
- The Temperature of freezer
compartment is satisfactory, but over freezing happens in the refrigerator compartment even though the notch is set at
weak
.
4) Bad defrosting.
- Check frost on the evaporator after
- Check parts related to defrosting.
- Heater wire is cut.
dissembling shroud and grille.
- Check defrosting. Check ice on the
- Faulty defrost sensor.
- Check ice on the intake port in the
evaporator and pipes after forced
- Defrosting cycle
refrigerator compartment.
defrosting.
5) User is not familiar with how to
- Check food holds door open.
- Be acquainted with how to use.
use.
- Check ice on the ice tray.
- Door opens. - High moisture food water is stored.