LG GR-G267ATBA, Service Manual

Page: 73 / 130

TROUBLE DIAGNOSIS
- 73 -
PROBLEM CAUSE/CHECK POINTS REMARKS
2. No cooling.
2) Refrigeration system is clogged.
■
Heat a clogged evaporator to
check it. As soon as the
cracking sound starts, the
evaporator will begin to
freeze.
■
The evaporator does not cool
from the beginning
(no evidence of moisture
attached).
The evaporator is the same
as before even heat is
applied.
Moisture
clogged.
No electric
power on
thermo-
stat.
Weld joint
clogged.
Drier clogging.
Foreign material clogging.
Residual moisture
in the evaporator.
Residual moisture.
Insufficient drier
capacity.
Residual moisture
in pipes.
Moisture penetration - Leave it in the air. - Moisture penetration.
into the refrigeration oil.
Caps are missed.
Air blowing.
During transportation.
During work.
Not performed.
Performed.
Too short time.
Low air pressure.
Less dry air.
Air Blowing.
Leave it in the air.
Caps are missed.
Short pipe insert.
Pipe gaps.
Too much solder.
Too large.
Damaged pipes.
Not dried in the compressor.
Elapsed more than 6 months after drying
Caps are missed.
No pressure when it is open.
During rest time.
After work.
Compressor cap is disconnected.
Foreign materials are in the pipe.
Not performed.
Too short.
Impossible moisture
confirmation.
Low air pressure.
Dry drier - Drier temperature.
Leave it in the air.
The capillary tube inserted depth. - Too much.
Capillary tube melts. - Over heat.
Clogged with foreign materials.
Reduced cross section by cutting. - Squeezed.
Desiccant powder.
Weld oxides.
Drier angle.
Check on package
condition.
Good storage after
finishing.