20
4 - TROUBLESHOOTING
1. Insufficient cooling capacity
A. Compressor
is not running
(no cool blow
coming out)
Replace the compressor
Fix the refrigerant leakage
then fill with refrigerant
until reaching the right
amount
Replace the lead wire if it is
defective
Replace the magnetic
clutch
Replace magnetic clutch
Check the voltage of
battery
Service system and replace
the compressor
Replace compressor if it is
locked
Replace compressor or
magnetic clutch
Compressor internal
damage
Refrigerant shortage
Lead wire short circuit or
wiring connector not
seated properly
Magnetic clutch damage
Magnetic clutch air gap too
wide
Low magnetic clutch
voltage
Thermal fuse activated by
high heat
Belt slipping
Compressor internal part
damage or magnetic clutch
damage
Replace magnetic clutch
Bolt drop off / Armature
drop off
Magnetic clutch slips when
turning on the A/C switch
Low pressure cut switch
operates
The magnetic clutch slips
or does not engage when
the compressor runs
The magnetic clutch
engages but the armature
does not rotate
Belt run off the pulley
Center bolt is loose /
Center bolt is missing
Issue
Symptom
Potential cause
Counter measure
