Troubleshooting - Loctite 883976 Manual De Operación

6

Troubleshooting

PROBLEM POSSIBLE CAUSE
•
LCD does not
No power input
light
•
System will not
Foot switch not
actuate plugged in or
improperly plugged
in
•
Defective foot switch
•
Broken wire or loose
connection inside
unit
•
Defective solenoid
•
Defective PC board
•
System will not
Insufficient air
pressurize pressure
•
Air hoses not
plugged in
•
Regulator defective
•
System will not
Vacuum setting is
pull vacuum
too low
•
Defective solenoid
•
Defective vacuum
venturi
•
Defective vacuum
needle valve
•
Inconsistent
Air bubbles in
dispensing
adhesive
•
Dispense time is too
low
•
Dispense needle
started to clog
CORRECTION
•
Check power cord
connections
•
Turn on power
•
Check foot switch
connection
•
Foot switch needs to be
repaired or replaced
•
Unplug power cord and
disconnect air supply.
Remove cover and check
for broken wires or loose
connections
•
Replace solenoid
•
Replace PC board
•
Increase air supply
pressure
•
Check connection
•
Replace regulator
•
Increase vacuum setting
•
Replace solenoid valve
•
Replace venture
•
Replace needle valve
•
Reduce vacuum setting
•
Increase dispensing time
•
Replace needle
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