Troubleshooting
28 332689D
Troubleshooting
Check everything in this Troubleshooting Table before
you bring the sprayer to a Graco/M
AGNUM authorized
service center.
Problem Cause Solution
Power switch is on and sprayer is
plugged in, but motor does not run,
and pump does not cycle.
Pressure is set at zero pressure. Turn pressure control knob clockwise
to increase pressure setting.
Motor or control is damaged. Take sprayer to Graco/M
AGNUM
authorized service center.
Electric outlet is not providing power. • Try a different outlet or plug in
something that you know is
working to test outlet.
• Reset building circuit breaker or
replace fuse.
Extension cord is damaged. Replace extension cord. Read
Grounding and Electric Require-
ments, page 12.
Sprayer power cord is damaged. Check for broken insulation or wires.
Replace power cord if damaged.
Paint and/or water is frozen or hard-
ened in pump.
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
AGNUM
authorized service center.
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