# 15mm error while running code

**URL:** <https://forums.maslowcnc.com/t/15mm-error-while-running-code/21106>\
**Category:** Uncategorized\
**Created:** [May 19, 2024, 5:56pm UTC](https://forums.maslowcnc.com/t/15mm-error-while-running-code/21106 "2024-05-19T17:56:08Z")\
**Posts on this page:** 1\
**Showing post:** 57

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**Author:** ![bar](https://yyz1.discourse-cdn.com/flex031/user_avatar/forums.maslowcnc.com/bar/32/10_2.png) [@bar](https://forums.maslowcnc.com/u/bar)\
**Post date:** [June 1, 2024, 5:13pm UTC](https://forums.maslowcnc.com/t/15mm-error-while-running-code/21106/57 "2024-06-01T17:13:35Z")

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I’m pretty confident that the belts don’t slip, but if they did we would see that manifest as inaccurate parts, not as this error message because the machine wouldn’t know about the slip. This error pops up because the machine knows something is wrong.

Would anyone who is able to make this 15mm error happen be willing to do “Retract All” afterwards and report what the offsets are? I think that would tell us a lot maybe

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