Troubleshooting - Graco MAGNUM 309225W Operation Manual

Troubleshooting

Troubleshooting
Check everything in this Troubleshooting Table before you bring the sprayer to a Graco/Magnum
authorized service center. Refer to Component Identification, page 6 for reference letters used
in table.
Problem
Power switch is on and sprayer is
plugged in, but motor does not run,
and pump does not cycle.
Power switch is on and sprayer is
plugged in, but motor does not run,
and pump does not cycle.
22
Cause
Pressure is set at zero pressure.
Motor or control is damaged.
Electric outlet is not providing power. •
Extension cord is damaged.
Sprayer electric cord is damaged.
Paint is frozen or hardened in pump.
Solution
Turn Pressure Control Knob (C)
clockwise to increase pressure set-
ting.
Take sprayer to Graco/magnum
authorized service center.
Try a different outlet or plug in
something that you know is work-
ing to test outlet.
• Reset building circuit breaker or
replace fuse.
Replace extension cord. Read
Grounding and Electric Require-
ments, page 5.
Check for broken insulation or wires.
Replace electric 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 and turn 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/magnum
authorized service center.
309225W