LG LRSPC2051AB, Service Manual

Page: 72 / 122

- 72 -
TROUBLE DIAGNOSIS
CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK
3. Refrigeration
is weak.
3) Cooling air leak.
4) No cooling air circulation.
Residual
frost.
No automatic defrosting.
Defrost does not return.
Bad gasket adhestion
Door sag.
Faulty fan motor.
Weak heat from heater.
Bad heater assembly.
Too short defrosting time. Defrost Sensor.
- Faulty characteristics.
Seat-D(missing, location. thickness).
Structural fault. Gasket gap.
Air inflow through the fan motor.
Bad insulation of case door.
Sheath Heater - rated.
Heater plate - rated.
Heater cord-L - rated.
Heater plate
Heater cord-L
Gap.
Bad attachment.
Contraction.
Bad adhesion.
Weak binding force at hinge.
Fan motor.
Door switch.
Self locked.
Wire is cut.
Bad terminal contact.
Contact distance.
Button pressure.
Melted contact.
Contact.
Poor door
attachment.
Door liner
(dimension).
Contraction inner
liner.
Misalignment.
Bad terminal
connection.
P/U liquid leak.
Faults.
Refrigerator and freezer switch reversed.
Button is not pressed.
No contact to drain.
Loosened stopper cord.
Not contact to the
evaporator pipe.
Location of assembly
(top and middle).
■
Check the fan motor
conduction: OK.
No conduction: NG.