11
TROUBLESHOOTING
Symptom
Cause
Repair
Control panel
Display is not LIT
when machine is
plugged in
Disconnected Control Cable
Connect control cable to machine
Faulty Control Cable
Replace Cable
Control Box Fuse Tripped or
Disconnected
Replace fuse. If problem persists,
contact service rep.
No Arc when
Welding Auto/Off
Switch turned to
AUTO
Weld Auto/Off Switch set to OFF
Turn Weld Auto/Off Switch to AUTO
Loose contact of Welding Leads
Check ground connections. Verify good
contact on clean, unpainted surface.
Faulty or incorrectly wired Welding
Auto/Off Switch
Check Wiring. Replace Switch, if
needed
Stop Sensor does not detect work
piece.
Reposition carriage so Stop Sensor is
over work piece
.
Carriage does not
travel when Cycle
Start Button is
pushed
Failed drive component
Check Motor, Drive Chain and Gearbox.
Replace as needed
Faulty or incorrectly wired Cycle Start
Button
Check Wiring. Replace button , if
needed
Faulty MAIN PCB
Replace MAIN PCB
Torch targets wrong
position
Loose fastener on Torch Clamp or
Slide Assembly
Check and tighten screws, replace if
needed.
Slide is hard to
adjust
Dust or other debris on slide parts
Clean slide parts. Lubricate with light oil
Carriage stops
during automatic
welding
Obstacle in carriage path
Remove obstacles
Carriage is at end of work piece. Stop
Sensor doesn’t detect work piece.
Reposition carriage so Stop Sensor is
over work piece.
Distance traveled exceeds Total
Length
See “Intermittent Welding” on page 7 for
instructions to set Total Length
Arc continues after
Welding Auto/Off
Switch is set to OFF
The Welding Auto/Off Switch is still
set to Auto
Turn Weld Auto/Off Switch to OFF
Faulty or incorrectly wired Welding
Auto/Off Switch
Check Wiring. Replace Switch, if
needed.
Unable to perform
Intermittent Welding
Intermittent Welding is locked
Press and hold Travel Speed
Adjustment knob for 3 seconds.
