LG LRSC21934SW, Service Manual

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2-3. Temperature
TROUBLE
D
IAGNOSIS
-8
6-
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.