B. No Air
Is air hose connected?
Yes
No
Connect
Is air adjusted to 4 - 5 bar ?
Yes
No
Adjust
Check torch integrity
Yes
No
No electrode in torch
No valve pin in torch
Replace electrode
Check continuity of torch switch
Replace valve pin
OK
No
Replace torch switch
Repair/replace power source
C. Air does not shut off
Does arc start when nozzle contacts work without depressing torch switch?
Yes
No
Check for short in torch switch
Does air flow even when Handy Plasma power switch is OFF?
Yes
No
Replace
Repair/replace
solenoid valve
control PCB
13
GB
INSTRUCTION MANUAL