Graco Magnum Pro Plus A45 Instructions Manual page 12

Troubleshooting
Problem
Sprayed paint runs down wall or
sags.
Sprayed paint is not covering.
Pattern is inconsistent or leaving
stripes.
HINT:
Thin paint slightly with
water/solvent.
Motor is hot and runs
intermittently.
This is a Thermal Overload
condition. Motor will automatically
shut off due to excessive heat.
Damage can occur if cause is not
corrected.
Building circuit breaker opens after
sprayer operates for 5-10 minutes.
OR
Building circuit breaker opens as
soon as sprayer is plugged into
outlet and sprayer is turned on.
Fan pattern varies dramatically
while spraying.
Sprayer does not turn on promptly
when resuming spraying.
Spray comes out of gun in two
thick streams.
Paint leaks down outside of pump. Worn pump packings.
Paint comes out of pressure
control knob.
Pressure drain actuates
automatically, relieving pressure
through prime tube.
12
Cause
Going on too thick.
Going on too thin.
Pressure set too low.
Spray tip worn beyond capability of
sprayer.
Vent holes in shroud are clogged
or sprayer is covered.
Extension cord too long or not
heavy enough gauge.
Unregulated electrical generator
being used has excessive voltage.
Sprayer was operated at high
pressure with small tip, causing
frequent motor starts and
excessive heat build up.
Too many appliances plugged in
on same circuit.
Extension cord is damaged, too
long, or not a heavy enough
gauge.
Damaged sprayer electrical cord.
Damaged motor or control.
Pressure control switch is worn
and causing excessive pressure
variation.
Reversible tip is in UNCLOG
position.
Worn pressure control knob.
System is overpressuring.
Solution
Move gun faster.
Use tip with smaller hole size.
Use tip with wider fan.
Move gun away from surface.
Move gun slower.
Use tip with larger hole size.
Use tip with narrower fan.
Move gun closer to surface.
Turn pressure control knob right to increase pressure.
Replace tip.
Clear vent holes.
Replace cord, Grounding Instructions, page 5.
Use electrical generator with proper voltage regulator.
Sprayer requires 220-240, VAC 50/60 Hz.
Decrease pressure setting or increase tip size.
Move sprayer to cooler location.
Unplug some appliances or use a less busy circuit.
Plug in something that you know is working to test
extension cord. Replace extension cord. Grounding
Instructions, page 5.
Check for broken insulation or wires. Replace damaged
electrical cord.
Return sprayer to Graco/M
AGNUM
center.
Return sprayer to Graco/M
AGNUM
center.
Rotate arrow-shaped handle on tip to SPRAY position.
Replace pump packings, see Pump manual.
Return sprayer to Graco/M
AGNUM
center.
authorized service
authorized service
authorized service
3A1222B