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▼ Not cooling at all
▼ Poor cooling performance
Compressor
doesn't run.
Compressor runs
poorly.
Check a starting
voltage.
Check for open short or
incorrect resistance readings
in the following components
a. Starting devices
b. OLP
c. Compressor coil
d. Wiring harness
Low voltage.
Short, open or broken.
Poor contact
or shorted.
Coil open or shorted.
Poor contact
or shorted.
Poor or broken or
open contact.
Shorted.
Lack of capacity.
Replace
indicated component.
Raise voltage.
Replace
indicated component.
Cause
Check voltage at
starting devices.
Check current at
Compressor.
Check rating of OLP.
Fan motor
doesn't run.
Heavy frost buildup on
EVAPORATOR.
Wire is open or
shorted.
Coil is shorted or
open.
Open.
Open.
Replace
Defrost Heater.
Replace
indicated component.
Replace
indicated component.
Check wiring circuit.
Check Fan Motor.
Check current flow in
the following
components:
sensor
Fuse-M
Check current flow in
the Defrost Heater.
6-3 OTHER ELECTRIC COMPONENTS