# The y-axis suddenly changes to zero

**URL:** <https://forum.onefinitycnc.com/t/the-y-axis-suddenly-changes-to-zero/18766>\
**Category:** Troubleshooting (X35/X50)\
**Created:** [February 13, 2023, 12:59am UTC](https://forum.onefinitycnc.com/t/the-y-axis-suddenly-changes-to-zero/18766 "2023-02-13T00:59:30Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![349iq2345](https://avatars.discourse-cdn.com/v4/letter/3/bb73d2/32.png) [@349iq2345](https://forum.onefinitycnc.com/u/349iq2345)\
**Post date:** [February 13, 2023, 10:55am UTC](https://forum.onefinitycnc.com/t/the-y-axis-suddenly-changes-to-zero/18766/2 "2023-02-13T10:55:49Z")

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Hey yiseounglee,

it is likely that something obstructs the movement. There can be different causes for this. [See here for details](https://forum.onefinitycnc.com/t/home-is-not-working-correctly/18647/3).

One cause could be that should your machine not be properly [rectangular (“squared”)](https://forum.onefinitycnc.com/t/what-do-i-do-first/18349/6), the Y movement can block.

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