LG LSC27931SB Service Manual page 44

CLAIMS.
3. Refrigeration
1) Refrigerant Partly leaked.
is weak.
2) Poor defrosting capacity.
Drain path (pipe) clogged.
Defrost heater does not
generate heat.
CAUSES AND CHECK POINTS.
Weld joint leak.
Parts leak.
Inject adiabatics into drain
hose.
Adiabatics lump input.
Foreign materials
penetration.
Damage by a screw or
clamp.
Other foreign materials input.
Cap drain is not disconnected.
Parts Plate
disconnected. heater
Cord
heater
- 43 -
HOW TO CHECK
• Check visually.
Inject through the
hole.
Seal with drain.
Wire is cut.
• Check terminal
- Heating wire.
Conduction: OK.
- Contact point
No conduction: NG.
between heating
If wire is not cut, refer to
and electric wire.
resistance.
Dent by fin evaporator.
P=Power
Poor terminal contacts.
V=Voltage
R=Resistance
Wire is cut.
- Lead wire.
V
P=
- Heating wire.
R
- Contact point
between heating and
V
R=
electric wire.
P
Heating wire is corroded
- Water penetration.
Bad terminal connection.
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