6-3 OTHER ELECTRIC 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 a starting
voltage.
Check voltage at
starting devices.
Check current at
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.
- 19 -
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.
Raise voltage.
Replace
indicated component.
Replace
indicated component.
Replace
indicated component.
Replace
Defrost Heater.