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6-2 OTHER ELECTRICAL COMPONENTS
Not cooling at all
Poor cooling performance
Compressor doesn't
run.
Compressor runs
poorly.
Check starting voltage.
Low voltage.
Advise customer that
the Power supply
needs to be checked
by an electrician.
Fan motor doesn't run.
Check wiring circuit.
Wire is open or shorted.
Check Fan Motor.
Coil is shorted or open.
Replace indicated
component.
Check current flow in
the Defrost Heater.
Open.
Replace Defrost
Heater.
Heavy frost buildup on
EVAPORATOR.
Check current flow in
the following
components: Sensor
Fuse-M
Open.
Replace indicated
component.
Check voltage at
starting devices.
Poor or broken or open
contact.
Check current flowing
in sub-coil of
Compressor.
Shorted.
Check rating of OLP.
Lack of capacity.
Replace indicated
component.
Check for open short or
incorrect resistance readings
in the following components
a. Starting devices
Short, open, or broken.
b. OLP
Poor contact or shorted.
c. Compressor coil
Coil open or shorted.
d. Wiring harness
Poor contact or shorted.
Cause
Replace indicated
component.
