# Z-Axis error on first startup

**URL:** <https://forum.onefinitycnc.com/t/z-axis-error-on-first-startup/16074>\
**Category:** Uncategorized\
**Created:** [October 25, 2022, 12:28pm UTC](https://forum.onefinitycnc.com/t/z-axis-error-on-first-startup/16074 "2022-10-25T12:28:09Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![newbiee](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.onefinitycnc.com/newbiee/32/8326_2.png) [@newbiee](https://forum.onefinitycnc.com/u/newbiee)\
**Post date:** [October 25, 2022, 1:41pm UTC](https://forum.onefinitycnc.com/t/z-axis-error-on-first-startup/16074/2 "2022-10-25T13:41:02Z")

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Yes, this is normal. The home is found by an (i think) amperage spike threshold that is adjustable. [Here](https://forum.onefinitycnc.com/t/help-my-toolpath-says-under-or-over-with-videos/1982) is the over-under explanation. Essentially, it will go away when you load a file and zero your XYZ if your tool paths are correct.

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