Troubleshooting
3A2347ZAA 51
Adhesive leak-
ing from mani-
fold or valve.
Valve is loose on the
manifold.
Tighten screws on loose valve.
Valve o-ring failed. Replace o-rings on the back of the leaking valve.
Failed valve, adhesive
leaking out middle of
valve.
Replace valve.
Hose loose. Tighten hose.
No melter
heat.
Fuse blown in F1 and
F2.
Check heater rods for a short or a short between the rod wires and
ground.
Cable to over-tempera-
ture switch off or bro-
ken.
Check connection of cable to over-temperature switch both to main
board and to switch. If connection good, look for break in wire.
Over-temperature
switch tripped.
Measure over-temperature switch resistance. It should read close to 0
ohms when at room temperature. If open, replace over-temperature
switch.
Air motor will
not function.
No air being supplied to
air motor.
Check incoming air supply. Check that air solenoid is adjusted for air
motor.
Air solenoid not adjust-
ing the air motor.
If air can not be adjusted at the air solenoid, check voltage, if 24VDC
present at air solenoid replace air solenoid.
Air present at air motor
but it will not work.
Replace air motor.
System not
turning on.
No power to unit. Check main power breaker is turned on.
Check that power plug is connected.
Static shock
when touching
shaker or
adhesive bin.
Ground wire not in
place on shaker
assembly. Some adhe-
sives, flow rates, and
ambient conditions can
cause excessive static
buildup on the shaker
tube.
Attach a ground wire from the shaft of the shaker unit to a true earth
ground. Order shaker grounding kit 24R708.
Adhesive not
dispensing at
the correct
time.
Guns opening at the
wrong time.
InvisiPac system does not control the opening and closing of the guns.
The separate controller needs to be adjusted. Consult control manufac-
turer or qualified electrician.
Problem Cause Solution
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