# Error 9, z motor not moving

**URL:** <https://forums.maslowcnc.com/t/error-9-z-motor-not-moving/26133>\
**Category:** Uncategorized\
**Created:** [August 24, 2026, 7:57am UTC](https://forums.maslowcnc.com/t/error-9-z-motor-not-moving/26133 "2026-08-24T07:57:24Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Byron\_Abbey](https://yyz1.discourse-cdn.com/flex031/user_avatar/forums.maslowcnc.com/byron_abbey/32/22252_2.png) [@Byron\_Abbey](https://forums.maslowcnc.com/u/Byron_Abbey)\
**Post date:** [August 24, 2026, 7:57am UTC](https://forums.maslowcnc.com/t/error-9-z-motor-not-moving/26133/1 "2026-08-24T07:57:24Z")

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z motor doesn’t move

it starts the fan, that stays on

I tried “go to z home”

and got error 9

(power cycled five times)

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<div class="post-metadata">

**Author:** ![Byron\_Abbey](https://yyz1.discourse-cdn.com/flex031/user_avatar/forums.maslowcnc.com/byron_abbey/32/22252_2.png) [@Byron\_Abbey](https://forums.maslowcnc.com/u/Byron_Abbey)\
**Post date:** [August 24, 2026, 7:58am UTC](https://forums.maslowcnc.com/t/error-9-z-motor-not-moving/26133/2 "2026-08-24T07:58:50Z")

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Serial Messages  
Index.html Version: v1.23.0  
[MSG:INFO: Zm=-5.260mm, Z home=4.000mm, Z position=-9.260mm]  
[MSG:INFO: Channel auto report interval set to 50 ms]  
Retract All  
[MSG:INFO: Retracting all belts]  
[MSG:INFO: Requesting state change from Unknown to Retracting Belts]  
[MSG:INFO: Succeeded]  
[MSG:INFO: Zm=-5.260mm, Z home=4.000mm, Z position=-9.260mm]  
[MSG:INFO: Bottom Right pulled tight with offset -1925.058]  
[MSG:INFO: Top Left pulled tight with offset 0.247]  
[MSG:INFO: Bottom Left pulled tight with offset -1916.738]  
[MSG:INFO: Top Right pulled tight with offset -0.086]  
[MSG:INFO: Requesting state change from Retracting Belts to Belts Retracted]  
[MSG:INFO: Succeeded]  
JogTo: $J=G91G21F300Z5 (mm)  
JogTo: $J=G91G21F300Z5 (mm)  
Moving to Z Home position  
error:9

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<div class="post-metadata">

**Author:** ![Byron\_Abbey](https://yyz1.discourse-cdn.com/flex031/user_avatar/forums.maslowcnc.com/byron_abbey/32/22252_2.png) [@Byron\_Abbey](https://forums.maslowcnc.com/u/Byron_Abbey)\
**Post date:** [August 24, 2026, 8:00am UTC](https://forums.maslowcnc.com/t/error-9-z-motor-not-moving/26133/3 "2026-08-24T08:00:29Z")

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turns out all it needed was a sixth power cycle. (I was unable to delete this topic)

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<div class="post-metadata">

**Author:** ![ian\_ab](https://avatars.discourse-cdn.com/v4/letter/i/a587f6/32.png) [@ian\_ab](https://forums.maslowcnc.com/u/ian_ab)\
**Post date:** [August 24, 2026, 8:22am UTC](https://forums.maslowcnc.com/t/error-9-z-motor-not-moving/26133/4 "2026-08-24T08:22:19Z")

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> [@Byron\_Abbey](#):
>
> Zm=-5.260mm, Z home=4.000mm, Z position=-9.260mm]

This says your Zm is a negative (below the minimum of 0). If you get this again, lower the Maslow all the way down, then go to setup, then Set Z-Stop. You will then need to reset Z-Home so bit is just above your work surface.