Phantom Y zero-ing

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Zeeflyboy
Posts: 21
Joined: Thu Apr 17, 2014 3:31 pm

Phantom Y zero-ing

Post by Zeeflyboy » Sat May 10, 2014 8:38 am

I'm having a bit of an issue with my Y-axis when homing... it'll keep homing to positions well short of the actual zero, which is ending up with prints starting well off centre and going off the back of the bed if i'm not watching.

I checked that the switch functions, and it does. I also check it wasn't being partially pressed by the rail or anything that might be close to triggering it.

Any ideas?

jsc
Posts: 1864
Joined: Thu Apr 10, 2014 4:00 am

Re: Phantom Y zero-ing

Post by jsc » Sat May 10, 2014 12:51 pm

Someone recently had a similar issue. Turned out to be an EMI issue. Contact support.

Toby
Posts: 330
Joined: Wed Apr 09, 2014 9:44 pm

Re: Phantom Y zero-ing

Post by Toby » Sat May 10, 2014 12:56 pm

Here's the thread jin is referring to. The solution comes at the end.

viewtopic.php?f=7&t=36

jsc
Posts: 1864
Joined: Thu Apr 10, 2014 4:00 am

Re: Phantom Y zero-ing

Post by jsc » Sat May 10, 2014 1:08 pm

Oh yes. I had forgotten the exact resolution. Try doing what MichaelH did (twist wires).

Zeeflyboy
Posts: 21
Joined: Thu Apr 17, 2014 3:31 pm

Re: Phantom Y zero-ing

Post by Zeeflyboy » Sat May 10, 2014 2:39 pm

thanks guys,

I'll give that a go. Only started happening since i upgraded to 24v, given that the steppers will now be operating at a higher voltage it is conceivable that interference that wasn't a problem before is now.

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