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2-3. Temperature

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: 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.

 

 

 

 

 

 

TROUBLE DIAGNOSIS

Page 58
Image 58
LG Electronics GR-P227/L227, GR-P257/L257 service manual Temperature