LG GR-L207WVS Service Manual page 77

TROUBLE DIAGNOSIS
CLAIMS.
3. Refrigeration
4) No cooling air circulation.
is weak.
Faulty fan motor.
Small cooling air
discharge.
5) Compressor capacity.
6) Refrigerant
too much or too little.
7) Continuous operation
- No contact of temperature controller. - Foreign materials.
8) Damper opens continuously.
Characteristics
of damper.
9) Food storing place. - Near the outlet of cooling air.
CAUSES AND CHECK POINTS.
Fan is
constrained.
Insufficient
motor RPM
Faulty fan.
Shorud. Bent.
Ice and foreign materials on rotating parts.
Rating misuse.
Small capacity.
Low valtage.
Malfunction of charging cylinder.
Wrong setting of refrigerant.
Insufficient compressor. - Faulty compressor.
Foreign materials
P/U liquid dump.
jammed.
EPS water sediment.
Screw.
Failed sensor. - Position of sensor.
Bad characteristics of its own temperatue.
Parts misuse.
Charge of temperature - Impact.
characteristics.
Fan shroud contact. - Clearance.
Damping evaporator contact.
Accumulated residual frost.
Fan overload. - Fan misuse.
Bad low termperature RPM characteristics.
Rated power misuse.
Low voltage.
Fan misuse.
Bad shape.
Loose connection. - Not tightly connected.
Insert depth.
- 77 -
HOW TO CHECK
I Check visually after
disassembly.
I Check visually after
disassembly.