Troubleshooting
32 332689D
Fan pattern varies dramatically while
spraying.
OR
Sprayer does not turn on promptly
when resuming spraying.
Pressure control switch is worn and
causing excessive pressure varia-
tion.
Take sprayer to Graco/M
AGNUM
authorized service center.
Cannot trigger spray gun. Spray gun trigger lock is locked. Rotate trigger safety lever to unlock
trigger lock, page 13.
Paint is coming out of pressure con-
trol switch.
Pressure control switch is worn. Take sprayer to Graco/M
AGNUM
authorized service center.
Prime/Spray valve actuates automat-
ically relieving pressure through
prime tube.
System is over pressurizing. Take sprayer to Graco/M
AGNUM
authorized service center.
Paint leaks down outside of pump. Pump packings are worn. Replace pump packings.
Motor is hot and runs intermittently.
Motor automatically shuts off due to
excessive heat. Damage can occur if
cause is not corrected.
See Thermal Overload, page 12.
Vent holes in enclosure are plugged
or sprayer is covered.
Keep vent holes clear of obstructions
and over spray and keep sprayer
open to air.
Extension cord is too long or not a
heavy enough gauge.
Replace extension cord. Read
Grounding and Electrical Require-
ments, page 12.
Unregulated electrical generator
being used has excessive voltage.
Use electrical generator with a
proper voltage regulator. Sprayer
requires 220-240 VAC, 50/60 Hz.
Problem Cause Solution
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