Hey everyone, I have this problem with only one of my machines, Fadal 4020 HT, anytime an error happens, the Z axis plunges until it either bottoms out or hits something. E-Stop and slide hold don't stop it, I have to run around and throw the switch to get it to stop. Not something that happens very often, but I have a problem with my Hi/Low idlers right now and waiting on parts so I'm getting an occasional error 8 from the tensioner slamming in after the spindle is already running, while this problem is temporary I'm wondering what causes the Z axis to do this? My other Fadal doesn't do this in an error situation. Thanks

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