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by daveonfire
Fri Oct 19, 2018 5:31 pm
Forum: Geeetech I3 Pro B
Topic: G28 Z Forbidden
Replies: 2
Views: 5594

G28 Z Forbidden

Hi all,

apologies if this has been posted before.

I purchased a GT2560 rev A+ control board from your Amazon shop however on installing this as a replacement to a defective board, and loading the marlin firmware I am getting a "G28 Z forbidden" message when truing to home the z axis also the Z ...

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