TECHCON TS350 Mode D'emploi page 7

7 TROUBLESHOOTING
PROBLEM
LCD does not
light
System will not
actuate
System will not
pressurize
System will not
pull vacuum
Inconsistent
dispensing
POSSIBLE CAUSE
• No power input
• Foot switch not
plugged in or
improperly plugged in
• Defective foot switch
• Broken wire or loose
connection inside unit
• Defective solenoid
• Defective PC board
• Insufficient air
pressure
• Air hoses not plugged
in
• Regulator defective
• Vacuum setting is too
low
• Defective solenoid
• Defective vacuum
venturi
• Defective vacuum
needle valve
• Air bubbles in
adhesive
• Dispense time is too
low
• Dispense needle
started to clog
7
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