Troubleshooting - Graco 258870 Manual

Troubleshooting

Problem
Sprayer makes no sound when
trigger is pulled
Sprayer makes sound but no material
is sprayed when trigger is pulled
20
Check everything in this Troubleshooting Table before
you bring the sprayer to an authorized service center.
Cause
Trigger is locked.
Sprayer is not receiving power.
Sprayer motor is overheated.
Sprayer circuit breaker has tripped.
Sprayer has not been Setup.
Control lever is in UP position.
Suction Tube is missing or improperly
installed.
Inlet valve is stuck from material
residue left in sprayer.
Tip is not in SPRAY position.
Tip is clogged.
Suction Tube screen is clogged.
Sprayer has been tilted too far and
suction tube has lost contact with
material.
No or low material in cup.
Tip filter is clogged.
Fine Finish Optimizer is installed
while using an incompatible material.
Suction Tube o-rings are damaged or
missing.
Pump is clogged, frozen, or has
debris inside.
Sprayer has reached maximum life.
Material is leaking from hole in front
of sprayer.
Troubleshooting
Solution
Disengage trigger lock. See page 9.
Plug in sprayer or check outlet for
power.
Wait 20-30 minutes for motor to cool.
Push and hold circuit reset button
(see pages 6 and 7).
Setup the sprayer. See Starting a
new Job (or Refilling the Cup),
page 12.
Pull control lever DOWN to spray
position.
Make sure Suction Tube is properly
installed.
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 23.
Turn tip to SPRAY position.
See Unclogging Tip/Guard
Assembly, page 15.
See Shutdown and Cleaning, page
16.
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.
Refill cup with material.
Remove and clean tip filter. See
Unclogging Tip/Guard Assembly,
page 15.
Make sure compatible material is
being used. See Reversible Tip
Selection Chart, page 13.
Replace Suction Tube and o-rings.
Flush the pump. See Setup, page 10.
Replace sprayer.
Replace sprayer.
3A0159A