# Z motor fails during testing motors

**URL:** <https://forums.maslowcnc.com/t/z-motor-fails-during-testing-motors/8033>\
**Category:** No Judgement\
**Created:** [December 7, 2018, 8:08pm UTC](https://forums.maslowcnc.com/t/z-motor-fails-during-testing-motors/8033 "2018-12-07T20:08:18Z")\
**Posts on this page:** 1\
**Showing post:** 17

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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 28, 2019, 7:39pm UTC](https://forums.maslowcnc.com/t/z-motor-fails-during-testing-motors/8033/17 "2019-07-28T19:39:57Z")

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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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