Troubleshooting
313221A
33
Air compressor does not run
Power is not on.
Turn compressor power on.
Voltage to compressor below 105
Vac for 120 Vac.
Try another outlet. Reduce exten-
sion cord length or increase
extension cord gauge.
Loose power connections.
Verify all connections are firm.
Excessive head pressure (com-
pressor hums)
Moisture frozen in air supply line.
Wait for air pressure to bleed to
zero.
Electrical air unloader stuck
closed. Replace electrical air
unloader.
Open air regulator; install air line.
Complete Setup on page 13.
Compressor thermal switch is
open. Ensure ambient tempera-
ture is below 115°F (46°C).
Move sprayer to shaded, cooler
area.
Low compressor performance
Worn compressor; replace com-
pressor with Compressor Service
Kit 256779.
PROBLEM
CAUSE
SOLUTION