# Z-Axis encoder stops working - then the left motor gets odd, too

**URL:** <https://forums.maslowcnc.com/t/z-axis-encoder-stops-working-then-the-left-motor-gets-odd-too/3327>\
**Category:** Troubleshooting\
**Created:** [April 13, 2018, 11:18am UTC](https://forums.maslowcnc.com/t/z-axis-encoder-stops-working-then-the-left-motor-gets-odd-too/3327 "2018-04-13T11:18:28Z")\
**Posts on this page:** 1\
**Showing post:** 25

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**Author:** ![cmullins70](https://yyz1.discourse-cdn.com/flex031/user_avatar/forums.maslowcnc.com/cmullins70/32/6194_2.png) [@cmullins70](https://forums.maslowcnc.com/u/cmullins70)\
**Post date:** [July 30, 2019, 2:20am UTC](https://forums.maslowcnc.com/t/z-axis-encoder-stops-working-then-the-left-motor-gets-odd-too/3327/25 "2019-07-30T02:20:28Z")

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I’ve just been through this journey. As far as I know there are no direct kit replacements, but the one mentioned in these threads works fine.

> [@What is the name of this connector?](https://forums.maslowcnc.com/t/what-is-the-name-of-this-connector/10656):
>

> [@Z motor fails during testing motors](https://forums.maslowcnc.com/t/z-motor-fails-during-testing-motors/8033/17):
>
> I have replaced my Z motor. When I run the test, the Z motor seems to work fine, but Ground Control says it fails?

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