Control Pcb Indicators - Thermal Dynamics CUTSKILL C-35C Service Manual

6.03 Control PCB Indicators

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.
All procedures are done with the cover removed.
1. Turn the switch located on the front panel, to the "On" position. The
lights and the cooling fan comes on.
2. Locate the Control PCB behind the front panel. LD2 (EN) LED should be "ON".
3. Press the Air Set Button
and LD1 (SOL) LED should light. Press the Air Set Button again and the air compressor stops and the LED goes
out.
4. Squeeze the torch trigger. The pilot arc and compressor start. LD2 (EN) should brighten and LD1 (SOL) LED
and LD4 (H/V) should be on.
5. Transfer the arc to the work surface within 3-5 seconds. LD4 goes off and LD3 comes on so that three LEDs are
on.
If no transfer of arc occurs, check the work lead connection.
Manual 0-4745
WARNING
NOTE:
Illustration 6-1, Control PCB
. The the air compressor should come on causing air to flow through the torch
NOTE:
6-3
A/C indicator on the front panel
TROUBLE SHOOTING