# Losing belt position - w/ video - please help! :)

**URL:** <https://forums.maslowcnc.com/t/losing-belt-position-w-video-please-help/24933>\
**Category:** Troubleshooting\
**Created:** [September 23, 2025, 12:20am UTC](https://forums.maslowcnc.com/t/losing-belt-position-w-video-please-help/24933 "2025-09-23T00:20:43Z")\
**Posts on this page:** 1\
**Showing post:** 39

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**Author:** ![Spnc](https://yyz1.discourse-cdn.com/flex031/user_avatar/forums.maslowcnc.com/spnc/32/26281_2.png) [@Spnc](https://forums.maslowcnc.com/u/Spnc)\
**Post date:** [October 7, 2025, 9:21pm UTC](https://forums.maslowcnc.com/t/losing-belt-position-w-video-please-help/24933/39 "2025-10-07T21:21:09Z")

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Well the belt broke on one of them… off to Amazon.

Convince me I don’t have some variation of this though:

> [@Maslow 4.1 bottom left belt motor doesn't retract](https://forums.maslowcnc.com/t/maslow-4-1-bottom-left-belt-motor-doesnt-retract/24196):
>
> Hi, I am currently having an issue with the bottom left belt motor. When pressing retract all, the bottom left motor will only retract about 2-3 cm each time, even at 2100 retraction force. After reinstalling the firmware update, the belt did retract all the way, but now it stopped working again. I have changed the bottom left arm with the bottom right arm, but the bottom left still doesnt work. (indicating it isn’t the motor itself but the main board maybe?) I have added a video below. …

Bottom left motor not working during calibration vs bottom left motor doesn’t retract? The 4.0 wasn’t this bad, just lost signal because of the old cables

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