Have you updated your THC firmware in the last 12 months or so? We patched some code in the updated firmware that used to command the torch to rise 0.060" anytime the IHS alarm was triggered. This feature was intended to prevent the torch from dragging but ended up creating more issues than it solved. If you haven’t updated recently you should give that a shot. That said, if that actually resolves the issue, you should check your IHS switch for grounding, most commonly between the top half and the Z-axis lead screw. You can find specific instructions in the guide I’ve attached in the “IHS FAIL” section, along with other helpful information. If the issue persists, check your air pressure to make sure you stay within the nominal range throughout the entire cut. Otherwise, download the attached guide and find the TeamViewer section on page one. Follow the instructions to set up the remote support software and call during hour normal office hours for real time diagnostic support.
XR Operator’s Manual REV4.pdf (1.2 MB)
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