Graco 261800 specifications Troubleshooting, Problem Cause Solution

Problem

Cause

Solution

Power is on and sprayer is plugged

AllControl is set at zero pressure.

Turn AllControl clockwise to increase

in, but motor does not run, and pump

pressure setting.

does not cycle.

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 4.

Sprayer electric cord is damaged.

Check for broken insulation or wires.

Replace electric cord if damaged.

Paint 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 dam-

age the motor, control board and/or

drivetrain.

Make sure AllControl is OFF. Place

sprayer in a warm area for several

hours. Then plug in and turn AllCon-

trol to Prime/Clean 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.

System is already pressurized.

Turn AllControl to OFF, pause 2-3

seconds and then turn AllControl to

STORAGE to relieve pressure.

Pump does not prime.

AllControl not set to correct function.

Turn AllControl to PRIME/CLEAN

PRIME position.

Inlet screen is clogged.

Clean debris off inlet screen.

Pump valve check balls or seat are

Remove fittings. Clean or replace ball

dirty.

and seat.

312079A

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