User's Manual

Troubleshooting
46 3A2347T
No adhesive or
incorrect
amount of
adhesive out-
put when all
valves are trig-
gered
Plugged gun manifold
filter.
Replace manifold filter. Graco manifold filter in bottom of manifold or
inline filter on other manifolds.
Clogged hose. Flush or replace hose.
Defective solenoid
valve.
Check that correct voltage is input into valve solenoid. If voltage is cor-
rect, replace solenoid.
No signal from control
to solenoid.
If no voltage is present at solenoid, check control cable and remote
control device. Replace component.
Solenoid mufflers
plugged.
Replace solenoid mufflers.
No air to air solenoid. Re-establish air supply to solenoid.
Plugged system outlet
filter.
Replace Outlet Filter. See page 34.
If multiple valves are
triggered simultane-
ously, maximum pump
rate may be exceeded.
Stagger valve opening to reduce the maximum required flow rate to
below maximum pump rate.
No adhesive or
incorrect
amount of
adhesive out of
one/some of
the valves
when triggered
Plugged tip on gun. Replace tip on gun.
Defective gun in
closed/partial open
position.
Replace gun.
Plugged manifold filter
(single valves mani-
fold).
Replace manifold filter. Graco manifold filter in bottom of manifold or
inline filter on other manifolds.
Clogged hose (single
valves).
Flush or replace hose.
Defective solenoid
valve (single manifold).
Check that correct voltage is input into valve solenoid. If voltage is cor-
rect, replace solenoid.
No signal from control
to solenoid (single
valve manifold).
If no voltage is present at solenoid, check control cable and remote
control device. Replace component.
Plugged solenoid muf-
flers (single valve mani-
fold).
Replace solenoid mufflers.
No air to solenoid (sin-
gle valve manifold)
Re-establish air supply to solenoid.
Plugged system outlet
filter.
Replace Outlet Filter. See page 34.
If multiple valves are
triggered simultane-
ously, maximum pump
rate may be exceeded.
Stagger valve opening to reduce the maximum required flow rate to
below maximum pump rate.
Problem Cause Solution