Troubleshooting - Graco 16H960 Operation, Parts, Repair

Troubleshooting

Problem
Sprayer makes no sound when
trigger is pulled
Sprayer makes sound but no material
is sprayed when trigger is pulled
24
Check everything in this Troubleshooting Table before
you bring the sprayer to an authorized service center.
Cause
Trigger is locked.
Status Indicator Light is solid YELLOW
when triggering, indicating that the bat-
tery charge is low, or the battery is too
cold.
Status Indicator Light is solid RED
when triggering, indicating that the bat-
tery is too hot to operate.
Battery is not installed or is damaged.
Prime/Pressure Relief valve is in UP
position.
Tip is not in SPRAY position.
Pump is clogged, frozen, or has debris
inside.
Sprayer is not primed or air is in
material cup.
Tip is clogged.
Tip filter is clogged.
No or low material in liner.
Inlet ball is stuck from material
residue left in sprayer.
Outlet ball is stuck from material resi-
due left in sprayer.
Pressure setting too low.
Troubleshooting
Solution
Disengage trigger lock. See page 9.
Replace with charged battery and
place old battery in charger, or allow
battery to warm up.
Allow battery to cool.
Install battery or replace.
Put valve DOWN to spray position.
Turn tip to SPRAY position.
See Repair manual.
Prime the pump. See Starting a new
Job (or Refilling the Cup), page 13.
See Unclogging Tip/Guard
Assembly, page 19.
Remove and clean tip filter. See
Unclogging Tip/Guard Assembly,
page 19.
Refill liner with material and prime the
pump.
Use a pencil or thin rod to lightly push
on inlet valve to make sure it moves up
and down freely.
Use a thin rod to lightly push outlet
valve ball to make sure it moves freely.
Outlet valve is visible when filter is
removed. See Install/Service Filter,
page 19.
Turn pressure control knob clockwise
to increase pressure.
3A2308A