2-3. Temperature
TROUBLE DIAGNOSIS
-45-
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 0Ω: 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.