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

Cause

Solution

 

 

 

 

 

 

Power switch is on and sprayer is

Pressure is set at zero pressure.

Turn Pressure Control Knob (C)

plugged in, but motor does not run,

 

clockwise to increase pressure set-

and pump does not cycle.

 

ting.

 

 

 

 

Motor or control is damaged.

Take sprayer to Graco/magnum

 

 

authorized service center.

 

 

 

 

Electric outlet is not providing power.

• Try a different outlet or plug in

 

 

something that you know is work-

 

 

ing to test outlet.

 

 

• Reset building circuit breaker or

 

 

replace fuse.

 

 

 

 

Extension cord is damaged.

Replace extension cord. Read

 

 

Grounding and Electric Require-

 

 

ments, page 5.

 

 

 

 

Sprayer electric cord is damaged.

Check for broken insulation or wires.

 

 

Replace electric cord if damaged.

 

 

 

Power switch is on and sprayer is

Paint is frozen or hardened in pump.

Unplug sprayer from outlet. If frozen

plugged in, but motor does not run,

 

do NOT try to start sprayer until it is

and pump does not cycle.

 

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.

 

 

 

22

309225W

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Graco Inc 309225W specifications Troubleshooting