SET-UP AND SAFE OPERATING PROCEDURES
11-41
89210000
Problem
Possible Cause
Possible Remedy
Molten metal not being
removed from gouge or
groove
Insufficient air pressure (PSI)
or volume (CFM)
Check air regulator
and solenoid for proper
operation.
Air stream from torch head
misdirected (air nozzle
improperly positioned)
Air stream must be directed
between the electrode and
the workpiece
Air nozzle insulator not in
place or damaged
Check/replace if necessary
Contactor air solenoid does
not energize when “Start”
button pushed
Break in interconnect cable
contactor/controller
Check/replace
Defective transformer in
contactor unit (220 VAC model
only)
Check/replace
Contactor unit in high
temperature shut down
Allow contactor unit to
cool/check fan and filter
Fan does not run with
control panel “ON”
Break in interconnect cable
which links contactor to
controller
Check/replace
Defective fan
Check/replace
Defective transformer in
contactor (220 VAC model
only)
Check/replace
Travel does not begin after
arc is struck
“Travel” switch on control
panel not set in “AUTO”
position
Set switch in “Auto”
position
Defective “Travel” switch on
control panel
Replace “Travel” switch
Travel system controls
improperly set
Reread Section entitled “
Starting Conditions“
Loss of current feedback
signal
See proceeding problem
above
Defective “Travel Delay”
potentiometer on control panel
Replace potentiometer
Defective carriage system
Check/repair as needed
Defective MCCB*
Replace MCCB*
Trouble Shooting Guide