LG LSC 27950SB, Service Manual

Page: 68 / 108

2-3. Temperature
TROUBLE DIAGNOSIS
- 68 -
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. - Check for bad terminal
- Maintain clearance and remove ice
connection.
(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.
Poor heat exchange
- Check the clearance between the
- Keep clearance between
- The fan may be
in compressor area.
refrigerator and wall minimum of
refrigerator and walls minimum of
broken of damaged
4
50 mm).
4
50 mm).
if cleaned while the
- Check dust on the grill in
- Remove dust and contaminants
refrigerator is
compressor compartment.
from grill for easy heat radiation.
running.
- Check dust on the condenser coils.
- Remove the dust with vacuum
cleaner from the coils condenser while the refrigerator is off.