# Belts wont retract during setup fo calibration

**URL:** <https://forums.maslowcnc.com/t/belts-wont-retract-during-setup-fo-calibration/22082>\
**Category:** Troubleshooting\
**Tags:** calibration\
**Created:** [August 15, 2024, 2:28pm UTC](https://forums.maslowcnc.com/t/belts-wont-retract-during-setup-fo-calibration/22082 "2024-08-15T14:28:21Z")\
**Posts on this page:** 1\
**Showing post:** 15

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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:** [August 16, 2024, 5:18pm UTC](https://forums.maslowcnc.com/t/belts-wont-retract-during-setup-fo-calibration/22082/15 "2024-08-16T17:18:54Z")

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That means that when the board boots up it didn’t pass self test (couldn’t find one of the motors or encoders) and so it won’t do anything until that is fixed and it gets restarted.

I feel like we’ve maybe got too many threads going and it’s hard to keep track of the conversation. Lets try to keep it in one spot and focus on getting to the answer.

> [@bar](#):
>
> Like it always says “top left encoder not found” no matter which encoder is plugged into the top left port on the board?

I think we’re making progress here. Is this the case?

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