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Troubleshooting
TroubleshootingTroubleshooting
Troubleshooting
ProblemProblem
Problem
CauseCause
Cause
SolutionSolution
Solution
Plugged manifold lter Replace manifold lter. See
Replace Inlet Filter, page 13.
Clogged hose Clean or replace hose.
Failed solenoid valve
Check for correct operation. Clean
or replace.
No signal to solenoid valve
Check solenoid valve for correct
operation.
Incorrect solenoid valve wiring
Check solenoid valve wiring.
Incorrect signal to solenoid valve
Check if 24 VDC.
Solenoid mufer plugged Check and replace mufers.
No uid pressure Check adhesive delivery system.
Heater failure (cold applicator) Check and replace
heater cartridges. See
Replace Heater Cartridge, page 20.
No air to solenoid valve
Check air supply.
Dirty or faulty triggering device Check, clean, or replace triggering
device.
Solenoid valve connected
incorrectly
Check solenoid valve air connections.
No adhesive or incorrect
amount of adhesive out of all
modules when triggered
Clogged manifold passage Clean or replace manifold.
Plugged nozzle
Clean or replace nozzle.
Failed module in closed position
Check for correct operation.
Clean or replace. See
Check Module, page 17.
Plugged module lter Replace module. See
Replace Module, page 24.
No adhesive or incorrect
amount of adhesive out of
one/some modules when
triggered
Clogged manifold passage Clean or replace manifold.
Failed module in open position
Clean or replace module. See
Replace Module, page 24.
Adhesive out of one/some
modules when not triggered
Adhesive pressure too high
Check and reduce uid pressure.
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