Graco 257065 Manual De Usuario

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Troubleshooting 
26
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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.