Operating Guide

Troubleshooting
36 3A6419B EN
Troubleshooting
1. Follow Pressure Relief Procedure,
page 14, before checking or repairing.
2. Solutions at the beginning of each prob-
lem listed are the most common.
3. Check everything in this Troubleshoot-
ing Table before you bring the sprayer
to an authorized service center.
ti24021a
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Problem Cause Solution
Motor does not run:
(verify sprayer is plugged in, and
ON/OFF switch is on)
Easy Access Door not fully closed Verify that Easy Access Door is
closed and latched. See step 2 of
Pump Installation, page 35.
Pressure control is set at zero
pressure.
Turn pressure control knob clockwise
to increase pressure setting.
Electric outlet is not providing power. Test outlet with known working
device.
Reset circuit breaker or replace fuse.
Find working outlet.
Reset building circuit breaker or
replace fuse.
Extension cord is damaged. Replace extension cord. See page 5.
Sprayer electric cord is damaged. Check for broken insulation or wires.
Replace electric cord if damaged.
Pump is seized
(Paint has hardened in pump
or
Water is frozen in pump.)
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 Pump Repair, page 34.
If motor does not turn with pump
removed, consult a Graco/ Magnum
authorized retailer, distributor, or
service center.
Motor or control is damaged. Consult a Graco/ Magnum authorized
retailer, distributor, or service center.