LG Electronics GR-P227/L227 Trouble Diagnosis, Claims, Causes And Check Points, How To Check

TROUBLE DIAGNOSIS

CLAIMS.

CAUSES AND CHECK POINTS.

HOW TO CHECK

7. Sounds

1) Compressor compartment operating sounds.

Transformer sound.

Its own fault. –– Core gap.

Bad connection. –– Correct screw connection.

Drip tray vibration sound.

Bad assembly.

Distortion.

Foreign materials inside.

Back cover machine sound.

Bad connection.

Condenser drain sound.

Partly damaged.

Not connected.

Bad pipe caulking.

2) Freezer compartment sounds.

Fan motor sound.

Normal operating sound.

Vibration sound.

Aged rubber seat.

Bad torque for assembling motor

bracket.

Sounds from fan

Fan guide contact.

contact.

Shroud burr contact.

Damping evaporator contact.

Residual frost contact.

Poor treatment Cord heater.

Narrow evaporator interval.

Unbalance fan sounds.

Unbalance.

Surface machining conditions.

Fan distortion.

Misshappen.

Burr.

Ice on the fan. –– Air intake (opposite to motor

rubber assembly.)

Motor shaft

Supporter disorted.

contact sounds.

Tilted during motor assembly.

Resonance.

Evaporator noise.

Evaporator pipe contact. –– No damping evaporator.

Sound from refrigerant. –– Stainless steel pipe shape in

accumulator.

Sound from fin evaporator and pipe during expansion

and contraction.

3)Bowls and bottles make contact on top shelf.

4)Refrigerator roof contact.

5)Refrigerator side contact.

6)Insufficient Lubricants on door hinge.

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