Troubleshooting - Graco A Series Manual

Troubleshooting

Troubleshooting
Problem
Power switch is on and sprayer is
plugged in, but motor does not run,
and pump does not cycle.
24
Check everything in this Troubleshooting Table before
you bring the sprayer to a Graco/M
service center.
Cause
Pressure is set at zero pressure.
Motor or control is damaged.
Electric outlet is not providing power. •
Extension cord is damaged.
Sprayer power cord is damaged.
Paint and/or water is frozen or hard-
ened in pump.
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Solution
Turn pressure control knob clockwise
to increase pressure setting.
Take sprayer to Graco/M
authorized service center.
Try a different outlet or plug in
something that you know is
working to test outlet.
• Reset building circuit breaker or
replace fuse.
Replace extension cord. Read
Grounding and Electric Require-
ments, page 10.
Check for broken insulation or wires.
Replace power cord if damaged.
Unplug sprayer from outlet. If frozen
do NOT try to start sprayer until it is
completely thawed or you may dam-
age the motor, control board and/or
drivetrain.
Make sure power switch is OFF.
Place sprayer in a warm area for sev-
eral hours. Then plug in power cord
and turn sprayer ON. Slowly increase
pressure setting to see if motor will
start.
If paint is hardened in sprayer, pump
packings, valves, drivetrain or pres-
sure switch may need to be replaced.
Take sprayer to Graco/M
authorized service center.
authorized
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3A1782D