Troubleshooting - Graco ProShot 258865 Operation Manual

Troubleshooting

Problem
ProShot makes no sound when
trigger is pulled
ProShot makes sound but no
material is sprayed when trig-
ger is pulled
20
Cause
Trigger is locked.
Status Indicator Light is solid RED
when triggering, indicating that the
battery charge is low or the battery is
too cold.
Status Indicator Light is flashing RED
when triggering, indicating that the
battery is too hot to operate.
Status Indicator Light does not light
when sprayer is triggered.
Sprayer is not primed.
Prime/relief valve 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 or vent
holes in black rubber inlet seal are
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.
Check everything in this Troubleshooting Table before
you bring the sprayer to an authorized service center.
Disengage trigger lock. See page 6.
Replace with charged battery and place old bat-
tery in charger or allow battery to warm up.
Allow battery to cool.
Battery is not installed or is
damaged.
Prime the pump. See Starting a new Job (or
Refilling the Cup), page 10. If sprayer fails to
prime, follow the Inlet Valve Cleaning proce-
dure, page 19 and/or Alternate Priming
Method, page 18.
Pull valve 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 Inlet Valve Cleaning, page 19.
Turn tip to SPRAY position.
See Unclogging Tip/Guard
Assembly, page 12.
See Shutdown and Cleaning, page 13.
Make sure cup is filled with material. Do not tilt
the cup too far. Prime the pump. See Starting a
new Job (or Refilling the Cup), page 10.
Refill cup with material.
Remove and clean tip filter. See Unclogging
Tip/Guard Assembly, page 12.
Make sure compatible material is being used.
See Reversible Tip Selection Chart, page 11.
Replace Suction Tube and o-rings.
See ProShot Repair, page 17.
ProShot only: purchase repair kit.
All other models should be replaced.
Replace sprayer.
Troubleshooting
Solution
3A0153E