13
4. Amber overtemperature light turns ON while cutting.
3.
Air does not shut off.
SECTION
5
MAINTENANCE
Does arc start when tip contacts work without depressing torch switch?
No
Yes
Check for
short in
torch switch
Cuts normally when torch switch is depressed?
Yes
Power
supply
defective
No
Defective
control PCB
Defective
Thermal
Switch
No
Is the fan running?
No
Yes
Run unit
on idle for
10 minutes
Normal
Duty Cycle
exceeded
OK
Yes
Defective
fan motor
No
Clear
restrictions
Are there any restrictions or foreign matter?
