Thermal Dynamics C-20A Cutskill, Service Manual

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Manual 0-4697 6-3 TROUBLE SHOOTING
6.03 Control PCB Indicators
1. Turn the switch located on the front panel, to the "On" position. The A/C indicator on the front panel
should light.
2. Locate the Control PCB behind the front panel. LD2 (EN) LED should be "ON".
Control PCB
3. Press the Air Set Button . The LD1 (SOL) LED should light. Press the Air Set Button again and it should
go out.
4. Squeeze the torch trigger (slight delay), pilot arc starts. LD2 (EN) should brighten and LD1 (SOL) LED should
be on.
5. Transfer the arc to the work surface and (LD3) should come on so that all three LEDs are on.
NOTE:
If no transfer of arc occurs, check the work lead connection.