Graco Magnum TrueAirless ProX19 Owner's Manual page 41

Problem
When paint is sprayed, it runs down
the wall or sags.
When paint is sprayed, coverage is
inadequate.
Fan pattern varies dramatically while
spraying.
Cannot trigger spray gun.
Paint is coming out of pressure
control switch.
Paint is leaking through Drain Tube.
Paint leaks down outside of pump.
Motor is hot and runs intermittently.
Motor automatically shuts off due to
excessive heat. Damage can occur if
cause is not corrected.
Sprayer makes no sound when pres-
sure control is ON and ON/OFF
switch is ON (illuminated).
3A9019A EN
Cause
Material is going on too thick.
Material is going on too thin.
Pressure control switch is worn and
causing excessive pressure variation.
Spray gun trigger lock is engaged.
Pressure control switch is worn.
Sprayer is over pressurizing.
Pump packings are worn.
Vent holes in enclosure are plugged
or sprayer is covered.
Battery has insufficient charge.
Motor needs to be replaced.
ON/OFF switch light blinks two times
when pressure control is ON.
Indicates incorrect voltage.
ON/OFF switch light blinks three
times when pressure control is ON.
Indicates battery temperature is too
hot or too cold.
ON/OFF switch light blinks four times
when pressure control is ON.
Indicates locked rotor condition.
ON/OFF switch light blinks five times
when pressure control is ON.
Indicates motor temperature is too
hot.
Troubleshooting
Solution
Move gun faster.
Choose a Spray Tip with smaller hole
size.
Choose Spray Tip with wider fan.
Make sure gun is far enough from
surface.
Move gun slower.
Choose Spray Tip with larger hole
size.
Choose Spray Tip with narrower fan.
Make sure gun is close enough to
surface.
Take sprayer to Graco/M
authorized service center.
Rotate trigger lock to disengage
trigger lock.
Take sprayer to Graco/M
authorized service center.
Take sprayer to Graco/M
authorized service center.
Replace pump. See .
Keep vent holes clear of obstructions
and overspray and keep sprayer
open to air.
Charge battery.
Take sprayer to Graco/Magnum
authorized retailer, distributor, or
service center.
Replace battery with charged battery.
Battery has reached end of life.
Replace battery.
Motor damaged, replace motor
assembly.
Allow battery to cool down or warm
up to room temperature.
Replace pump and/or motor
assembly.
Allow motor to cool down to room
temperature.
AGNUM
AGNUM
AGNUM
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