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Troubleshooting
26 313034A
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 clock-
wise 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 6.
Sprayer electric cord is damaged. Check for broken insulation or
wires. Replace electric cord if
damaged.
Paint and/or water is frozen or
hardened in pump.
Unplug sprayer from outlet. If fro-
zen do NOT try to start sprayer
until it is completely thawed or you
may damage the motor, control
board and/or drivetrain.
Make sure power switch is OFF.
Place sprayer in a warm area for
several hours. Then plug in pow-
ercord 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 pressure switch may need to
be replaced. Take sprayer to
Graco/M
AGNUM authorized ser-
vice center.