THC Not working but getting voltage on wires

[ChelanJim]

You might take a look at this thread:

Low live voltage all of a sudden after using the pro over a year - Solved

not sure what the issue is I’m having here. The pro has been working great for the past year but today I ran into a weird issue. I noticed when I was cutting my live voltage was showing around 12v, I noticed because it was cutting terribly. So after changing consumables, there was no change. So I decided to update to 20.6, and the issue still remains. I removed the control box and made a rubber isolation in between the control box and the leg of the cross fire, no change. Disconnected the charge…

And you probably already went through this process, hopefully:

LS-THC Arc Voltage Troubleshooting Guide

LS-THC Comprehensive Troubleshooting Guide 6/11/2021: We have created a THC Troubleshooting Flow chart that should greatly increase your ability to fix any THC related issues. We highly recommend first working to this chart to help solve any issues that you might have! THC TROUBLESHOOTING FLOW CHART REV. B **********The below guide has been Archived. Please refer to the troubleshooting Flow Chart above for more recent help on troubleshooting your THC system. *************** Purpose: The pur…