LG LRSC21934SW, Service Manual

Page: 94 / 129

TROUBLE
D
IAGNOSIS
-9
4-
Problems Causes Checks Measures Remarks
Vibration sound. 1. Vibration of shelves and foods in 1-1. Remove and replace the 1) Reassemble the vibrating parts
("Cluck") the refrigerator. shelves in the refrigerator and insert foam or cushion where
2. Pipes interference and capillary 1-2. Check light food and container vibration is severe.
tube touching in the compressor. on the shelves. 2) Leave a clearance where parts
compartment. 2-1. Touch pipes in the compressore interfere with each other.
3. Compressor stopper vibration. compartment with hands. 3) Reduce vibration with rubber
4. Moving wheel vibration. 2-2 Check capillary tube touches and restrainer if it is severe.
5. Other structure and parts cover back. (especially, compressor and pipe).
vibration. 3-1 Check compressor stopper 4) Replace compressor stopper if it
vibration. vibtates severely.
4-1 Check vibration of front and rear
moving wheels.
5-1 Touch other structures and parts.
Irregular sound. 1. It is caused by heat expansion 1-1 Check time and place of sound 1) Explain the principles of refrigeration
("Click"). and contraction of evaporator, sources. and that the temperature difference
shelves, and pipes in the between operation and defrosting
refrigerator. can make sounds.
2) If evaporator pipe contacts with other
structures, leave a clearance between
them (freezer shroud or inner case).