Hypertherm THC Control Board Replacement - Manual (Page 10)

Page 7 128407 Kit Instructions
4. Turn on the power to the THC control module and to the power supply.
5. Put the Command THC in MANUAL MODE.
6. Begin a cutting process and compare the voltage displayed on the volt meter to the arc voltage
displayed on the CNC or THC pendant.
7 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 THC pendant.
IM360.02
8. Turn off the power to the THC control module and to the power supply.
9. Remove the volt meter from the power supply.
10. Replace the access covers to the THC control module and to the power supply.
HT4400 THC Control PC Board Calibration