# Sculpfun S9 strange error

**URL:** <https://forum.lightburnsoftware.com/t/sculpfun-s9-strange-error/124442>\
**Category:** LightBurn Software Questions\
**Tags:** grbl, sculpfun-s9\
**Created:** [January 11, 2024, 4:58pm UTC](https://forum.lightburnsoftware.com/t/sculpfun-s9-strange-error/124442 "2024-01-11T16:58:21Z")\
**Posts on this page:** 3\
**Page:** 2

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**Author:** ![gilaraujo](https://forum.lightburnsoftware.com/user_avatar/forum.lightburnsoftware.com/gilaraujo/32/71745_2.png) [@gilaraujo](https://forum.lightburnsoftware.com/u/gilaraujo)\
**Post date:** [January 11, 2024, 11:32pm UTC](https://forum.lightburnsoftware.com/t/sculpfun-s9-strange-error/124442/21 "2024-01-11T23:32:13Z")

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correct, before tightening make sure belt is centered on the slot

there are usually 2 little screws you need to tighten both

but do it when you move the X all the way to the top or bottom so both wheels are touching the frame (this makes sure X is square with Y)

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**Author:** ![Dskall](https://forum.lightburnsoftware.com/letter_avatar_proxy/v4/letter/d/b5e925/32.png) [@Dskall](https://forum.lightburnsoftware.com/u/Dskall)\
**Post date:** [January 11, 2024, 11:54pm UTC](https://forum.lightburnsoftware.com/t/sculpfun-s9-strange-error/124442/22 "2024-01-11T23:54:40Z")

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Was definitely a problem there.

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**Author:** ![system](https://forum.lightburnsoftware.com/user_avatar/forum.lightburnsoftware.com/system/32/64335_2.png) [@system](https://forum.lightburnsoftware.com/u/system)\
**Post date:** [February 10, 2024, 11:54pm UTC](https://forum.lightburnsoftware.com/t/sculpfun-s9-strange-error/124442/23 "2024-02-10T23:54:46Z")

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Closed on February 10, 2024, 11:54pm UTC

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