TROUBLESHOOTING
PROBLEM
Compressor will not run
Motor hums but cannot
run or runs slowly
Current limiting
protector
Protector cuts out
repeatedly
36
Air Compressor 80L
CAUSE
Loss of power or
overheating
NO electrical power
Blown shop/house fuse
Shop/house breaker open
Current limiting protector
open
Pressure switch bad
Tank is full of air
Low voltage
Wrong gauge wire or
length of extension cord
Shorted or open motor
winding
Defective check valve or
unloader
LOW voltage
Lack of proper ventilation/
room temperature too
high
Wrong gauge wire or
length of extension cord
POSSIBLE SOLUTION
Check for proper use of
extension cord
Check to be sure unit is
plugged in
Check fuse/ breaker
Replace shop/house blow
fuse
Reset shop/house
breaker, determine why
problem happened
Motor will restart when
cool
Compressor will tum
on when tank Pressure
drops to cut in pressure
Check with voltmeter
Check for proper gauge
wire and cord length
Take compressor to
service center
Take compressor to
service center
Check with voltmeter
Move compressor to
well- ventilated area
Check for proper gauge
wire and cord length