Troubleshooting - Graco GX series Operation, Parts

Troubleshooting

Troubleshooting
Problem
Motor does not run:
(verify sprayer is plugged in, and
power switch is on)
36
1.
2.
3.
Cause
Easy access door not fully closed.
Pressure control knob is set at zero
pressure.
Electric outlet is not providing power.
Extension cord is damaged.
Sprayer electric cord is damaged.
Pump is seized
(Paint has hardened in pump
or
Water is frozen in pump.)
Motor or control is damaged.
Follow Pressure Relief Procedure,
page 13, before checking or repairing.
Solutions at the beginning of each prob-
lem listed are the most common, Start
at the beginning and continue down the
list to find a solution.
Check everything in this Troubleshooting
Table before you bring the sprayer to an
authorized service center.
Verify that easy access door is closed
and latched. See page 35.
Turn pressure control knob clockwise
to increase pressure setting.
Test outlet with known working
device.
Reset circuit breaker or replace fuse.
Find working outlet.
Reset building circuit breaker or
replace fuse.
Replace extension cord. See page 5.
Check for broken insulation or wires.
Replace electric cord if damaged.
Turn ON/OFF switch off and unplug
sprayer from outlet.
If frozen do NOT try to start sprayer
until it is completely thawed or it may
damage the motor, control board
and/or drive train.
Place sprayer in warm area for
several hours. Check for free moving
pump by removing shroud and
spinning fan.
If not frozen, check for hardened paint
in pump. If paint has hardened in
pump. See page 33.
If motor does not turn with pump
removed, consult a Graco/ Magnum
authorized retailer, distributor, or
service center.
Consult a Graco/ Magnum authorized
retailer, distributor, or service center.
Solution
3A3212C