Hypertherm THC Control Board Replacement - Manual (Page 8)

Page 5 128407 Kit Instructions
4. Turn on power to the power supply.
5. Put the Command THC in MANUAL MODE.
6. For 2-torch systems, select the applicable torch.
7. Begin a cutting process and compare the voltage displayed on the volt meter to the arc voltage
displayed on the CNC or power supply display.
8 Adjust the potentiometer on the control board so that the voltage displayed on the volt meter is the
same as the arc voltage displayed on the CNC or power supply display.
9. Turn off the power to the power supply.
10. Remove the volt meter from the power supply.
11. Replace the access covers to the power supply.
HD4070 THC Control PC Board Calibration
THC.107
Torch #1
THC Control
PC Board
Torch #2
THC Control
PC Board