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Problem
Sprayer makes sound
but no material is
sprayed when Trigger is
pulled
3A4702E
Cause
Sprayer is not primed.
Prime Pump/Spray knob is in PRIME
PUMP position.
Spray Tip is not in SPRAY position.
Spray Tip is clogged.
Debris in paint.
Pump Filter plugged.
Speed Control is set too low.
No or low material in material cup.
Pump has reached the end of its life. Replace pump assembly.
Diagnostic Light blinks four times
when the Trigger is pulled. Indicates
a locked rotor condition.
Troubleshooting
Solution
Prime the pump. See Startup,
page 14.
Make certain there is only one
FlexLiner in the Cup Support.
Make certain the cup cover is
properly threaded to the Cup
Support. If threads are visible
below the cup cover when tight,
fully remove and reinstall to the
Cup Support so no threads are
visible when tight.
Make certain the cup cover is
tightened to Cup Support. For
proper sprayer operation lid
must seal tightly with the cup.
Make certain the cup assembly
is properly locked on the
sprayer.
Make certain all the air is out of
the FlexLiner and the VacuValve
is properly closed.
Clean VacuValve reservoir and
air hole. See Cleanup, page 22.
Replace VacuValve.
Clean Sprayer. See Cleanup,
page 22.
Outlet valves are not installed
properly. See Cleaning Outlet
Valves, page 26.
Turn Prime Pump/Spray knob
forward to SPRAY position.
Turn Spray Tip to SPRAY
position.
See Clear Tip Clogs, page 19.
Strain the paint. See Sprayer
Setup, page 11
See Cleanup, page 22.
Increase speed until unit sprays.
Refill FlexLiner with material and
prime the pump. See Cup
Refills, page 21.
Replace pump and/or motor
assembly.
29
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