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Troubleshooting
20 3A0159E
Troubleshooting
Check everything in this Troubleshooting Table before
you bring the sprayer to an authorized service center.
Problem Cause Solution
Sprayer makes no sound when
trigger is pulled
Trigger is locked. Disengage trigger lock. See page 9.
Sprayer is not receiving power. Plug in sprayer or check outlet for power.
Sprayer motor is overheated. Wait 20-30 minutes for motor to cool.
Sprayer circuit breaker has tripped. Push and hold circuit reset button (see
pages 6 and 7).
Sprayer makes sound but no material is
sprayed when trigger is pulled
Sprayer has not been Setup. Setup the sprayer. See Starting a new
Job (or Refilling the Cup), page 12. If
sprayer fails to prime, follow the Alterna-
tive Priming Method (page 23) and/or
Inlet Valve Cleaning (page 24).
Control lever is in UP position. Pull control lever DOWN to spray posi-
tion.
Suction Tube is missing or improperly
installed.
Make sure Suction Tube is properly
installed.
Inlet valve is stuck from material
residue left in sprayer.
Use a pencil or thin rod to lightly push on
inlet valve to make sure it moves up and
down freely, see page 12. Inlet valve may
need to be removed and cleaned.
See Inlet Valve Cleaning, page 24.
Tip is not in SPRAY position. Turn tip to SPRAY position.
Tip is clogged. See Unclogging Tip/Guard
Assembly, page 15.
Suction Tube screen is clogged or vent
holes in black rubber inlet seal are
clogged.
See Shutdown and Cleaning, page 16.
Sprayer has been tilted too far and suc-
tion tube has lost contact with material.
Make sure cup is filled with material. Do
not tilt the cup too far. Setup the sprayer.
See Starting a new Job (or Refilling the
Cup), page 12.
No or low material in cup. Refill cup with material.
Tip filter is clogged. Remove and clean tip filter. See Unclog-
ging Tip/Guard Assembly, page 15.
Fine Finish Optimizer is installed while
using an incompatible material.
Make sure compatible material is being
used. See Reversible Tip Selection
Chart, page 13.
Suction Tube o-rings are damaged or
missing.
Replace Suction Tube and o-rings.
Pump is clogged, frozen, or has debris
inside.
Flush the pump. See Setup, page 10.
Sprayer has reached maximum life. Replace sprayer.
Material is leaking from hole in front of
sprayer.
Replace sprayer.