LG GC-B207, Service Manual

Page: 106 / 145

2-3. Temperature
TROUBLE DIAGNOSIS
- 106 -
Problems
Causes
Checks
Measures
Remarks
High
Poor cool air circulation due to faulty
- Lock
––
Check resistance with a
- Replace fan motor.
temperature
fan motor.
tester.
in the freezer
0
Ω
: short.
compartment.
∞Ω
: cut.
- Reconnect and reinsert.
- Rotate rotor manually and check
rotation.
- Wire is cut. - Bad terminal contact: Check
- Maintain clearance and remove ice
terminal visually.
(Repair and/or replace shroud if fan
- Fan constraint.
–
Fan shroud
is constrained by shroud
contact: Confirm
deformation).
visually.
–
Fan icing:
Confirm visually.
Faulty fan motor due to faulty door
- Iced button (faulty) operation:
- Confirm icing causes and repair.
switch operation.
Press button to check
- Replace door switch.
- Faulty button pressure and contact:
Press button to check operation.
- Door cannot press door switch
- Door sag: fix door.
button: Check visually.
- Door liner bent:replace door or
attach sheets.
Bad radiation conditions in
- Check the clearance between the
- Keep clearance between
- The fan may be
compressor compartment.
refrigerator and wall (50 mm in
refrigerator and walls (minimum
broken if cleaning
minimum).
50mm).
performs while the
- Check dust on the grill in
- Remove dust and contaminants
refrigerator is on.
compressor compartment.
from grill for easy heat radiation.
- Check dust on the coils condenser.
- Remove the dust with vacuum
cleaner from the coils condenser while the refrigerator is off.