Magnum 261800, Repair And Parts Manual

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Basic Troubleshooting
312004B 17
Basic Troubleshooting
Check everything in this Basic Troubleshooting Table before you bring the sprayer to a Graco/M
AGNUM
authorized
service center.
Problem Cause Solution
Project Painter 5 and Project Painter 7 -
AllControl is on and sprayer is plugged in,
but motor does not run, and pump does
not cycle, or motor continues to run in
OFF position.
or
SR7, ProX 7 and ProX9 - Power Switch is
on and sprayer is plugged in, but motor
does not run, and pump does not cycle.
Project Painter 5 and Project Painter 7 -
AllControl is set at zero pressure. Turn AllControl clockwise to increase
pressure setting.
SR7, ProX7 and ProX9 - 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 a com-
patible working appliance to test out-
let.
• Reset building circuit breaker or
replace fuse.
Extension cord is damaged. Replace extension cord. Read
Grounding and Electric Requirements ,
page 5.
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 frozen 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 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 pressure
switch may need to be replaced. Take
sprayer to Graco/M
AGNUM
authorized
service center.
System is already pressurized. Turn AllControl to OFF, pause 2-3 sec-
onds and then turn AllControl to STOR-
AGE to relieve pressure.
Pump does not prime. Project Painter 5 and Project Painter 7 -
AllControl not set to correct function. Turn AllControl to PRIME/CLEAN PUMP
position.
SR7, ProX7 and ProX9 - Prime/Spray
Valve is in SPRAY position. Turn Prime/Spray Valve to PRIME
position (pointing down).
Inlet screen is clogged or suction tube is
not immersed. Clean debris off inlet screen and make
sure suction tube is immersed in fluid.