Thermal Dynamics C-20A Cutskill, Service Manual

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Manual 0-4697 6-1 TROUBLE SHOOTING
SECTION 6:
TROUBLESHOOTING
WARNING
There are extremely dangerous voltage and power levels present inside this unit. Do not attempt to diagnose or repair
unless you have had training in power electronics measurement and troubleshooting techniques.
NOTE:
All procedures are done with the cover removed.
6.01 Setup and Operation
1. Connect the unit to air supply and power.
2. Connect the work lead clamp to cleaned area of work surface.
3. Turn the switch located on the front panel, to the "On" position. The A/C indicator on the front panel
should light.
4. Set the air pressure. Press the Air Set Button and set the regulator pressure to 65 psi (4.5 bar) (.45 MPa).
Air should be flowing continuously. Press the Air Set Button again to stop the air flow.
NOTE:
If the Air Error Indicator light is on, and or there is an audible beeping tone, check for low or no air pressure.
5. Squeeze the torch trigger (slight delay), pilot arc starts.
6. Transfer arc to work surface before the arc goes out.