Software froze collision

[[Ke...]]

I wonder if anyone has run into this and point me to an answer. After lunch I started a program pulled in a stp file and was doing the alignment when the software froze I could do a few thing but could not pick anything off the stp file. I waited about 5 minute and when it was still frozen. I terminated the software and it closed normally yes I could still use some features. It restarted and re-homed normally.

I then went to do a probe change and my probe id at least 1 inch lower than the rack which of course caused a collision and knocked the XDT shaft of the RDS. Thankfully it did not fall and it reconnected when I went to move it.

I restarted the machine again and I have rotated the probe in both A and B and all looks good however the probe is still an inch lower. I plan on re calibrating my probes and checking a few ring gauges as well as resetting my probe rack.

Has this happened to anyone else?
What caused it?
How do I prevent it from happening again?

As and added conundrum. When the XDT hit the rack it didn't even resister as a collision on the status window.

[[Cl...]]

Check you home position coordinates.

Extras - Settings - CMM - Machine tab. I had a similar collision years ago, and it changed my home
coordinates. This threw off my Z by a huge amount. I have a larger (1000/1200/600) Contura currently
set to;

X = 5.0000
Y = -5.0000
Z = -5.0000

[[Ke...]]

I am re calibrating now all is going good. I will recheck as soon as the probe I have running is done.

But the crash happened after the software freezing and restarting it. Just not sure why I would lose my rack location because of that.

Thanks

[[Ke...]]

I recall, when I was working with an old UMPC having a similar issue. Not sure what the root cause was, but we had issues with the probe being off (just a few mm) trying to load/unload in the probe rack. Started with re-defining the holder location, and ended up changing the approach parameters, to get it to work

[[Ke...]]

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Home position looks good.Thanks

[[No...]]

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I don't know about XDT, RDS etc., but with a VAST XT, collision detection is disabled during a probe change, otherwise it wouldn't be able to enter the rack.