Troubleshooting Guide

Troubleshooting
333394L 29
Sprayer makes sound
but no material is
sprayed when trigger is
pulled (cont’d)
Speed control is set too low. On models with a dual speed
control switch, set speed control
switch to HIGH. On variable
speed models, increase speed
until unit sprays.
No or low material in material cup. Refill FlexLiner with material and
prime the pump. See Refilling
FlexLiner, page 11.
Sprayer sprays with poor
results
Spray tip is partially clogged. See Unclogging Spray Tip,
page 20
.
Spray tip is not in correct position Rotate spray tip to SPRAY
position.
Incorrect spray tip for application of
material.
Install different size spray tip.
See Installing Spray Tips, page
19.
Spray tip is worn or damaged Replace spray tip. See
Installing Spray Tips, page 19.
Material being sprayed is aerated
because it was shaken.
Do NOT shake material. Stir the
material or check the
manufacturer’s recommendation
for the material being sprayed.
Material being sprayed is too cold to
spray.
Warm material.
Paint leaks from sprayer
trigger area.
Pump has reached its maximum life. Replace pump.
Paint leaks out of the cup
threads.
Cup not properly seated.
Make certain that there is only
one FlexLiner in cup support.
Make certain the cup cover is
properly threaded to the cup
support. If threads are visible
below the cup support when
tight, fully remove the cup cover
and reinstall to the cup support
so no threads are visible when
tight.
Make certain the cup cover is
tightened to the cup support so
the arrow on the cup cover is
within range of the indicator on
the cup support.
Avoid flexing or pushing on the
cup support when you evacuate
the air out of the FlexLiner.
Avoid pulling down on the
FlexLiner when you evacuate the
air out of the FlexLiner.
Make certain there is no damage
to the FlexLiner lip or the cup
cover gasket.
Make certain that the FlexLiner
lip and cup cover gasket is free of
debris and dried paint.
Replace FlexLiner.
Problem Cause Solution