LG GR-B197WVS Service Manual page 84

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