# Z-axis stopped working--only hums, motor works OK on X port

**URL:** <https://forums.maslowcnc.com/t/z-axis-stopped-working-only-hums-motor-works-ok-on-x-port/16912>\
**Category:** Hardware\
**Tags:** communitygarden\
**Created:** [July 20, 2021, 11:14pm UTC](https://forums.maslowcnc.com/t/z-axis-stopped-working-only-hums-motor-works-ok-on-x-port/16912 "2021-07-20T23:14:43Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![emilecantin](https://yyz1.discourse-cdn.com/flex031/user_avatar/forums.maslowcnc.com/emilecantin/32/16834_2.png) [@emilecantin](https://forums.maslowcnc.com/u/emilecantin)\
**Post date:** [July 23, 2021, 2:20pm UTC](https://forums.maslowcnc.com/t/z-axis-stopped-working-only-hums-motor-works-ok-on-x-port/16912/5 "2021-07-23T14:20:17Z")

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I had a similar symptom when my Z calibration got all messed up. See this thread: [Z axis scaling issue - #8 by emilecantin](https://forums.maslowcnc.com/t/z-axis-scaling-issue/16586/8)

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