Other Electrical Components - LG LMC25780 series Service Manual

6-2 OTHER ELECTRICAL COMPONENTS

Not cooling at all
Compressor doesn't
run.
Poor cooling performance
Compressor runs
poorly.
Fan motor doesn't run.
Heavy frost buildup on
EVAPORATOR.
Check for open short or
incorrect resistance readings
in the following components
a. Starting devices
b. OLP
c. Compressor coil
d. Wiring harness
Check starting voltage.
Check voltage at
starting devices.
Check current flowing
in sub-coil of
Compressor.
Check rating of OLP.
Check wiring circuit.
Check Fan Motor.
Check current flow in
the following
components:
Sensor Fuse-M
Check current flow in
the Defrost Heater.
- 16 -
Cause
Short, open, or broken.
Poor contact or shorted.
Coil open or shorted.
Poor contact or shorted.
Low voltage.
Poor or broken or open
contact.
Shorted.
Lack of capacity.
Wire is open or
shorted.
Coil is shorted
or open.
Open.
Open.
Replace indicated
component.
Advise customer that
the Power supply
needs to be checked
by an electrician.
Replace indicated
component.
Replace indicated
component.
Replace indicated
component.
Replace Defrost
Heater.