# Calibration and Centre Problem

**URL:** <https://forums.maslowcnc.com/t/calibration-and-centre-problem/12398>\
**Category:** Troubleshooting\
**Created:** [February 16, 2020, 2:18pm UTC](https://forums.maslowcnc.com/t/calibration-and-centre-problem/12398 "2020-02-16T14:18:57Z")\
**Posts on this page:** 1\
**Showing post:** 22

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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:** [February 21, 2020, 5:02am UTC](https://forums.maslowcnc.com/t/calibration-and-centre-problem/12398/22 "2020-02-21T05:02:21Z")

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> [@tome](#):
>
> Great. Yes when resetting I followed those instructions which I saw on another forum post

Hmmm…darn. So we are in a situation where you have calibrated several times without luck, you have reset everything fully and re-calibrated with no change in behavior. The test motors / encoders all pass. How much error are you currently seeing again?

Edit: Perhaps the holly calibration in Web Control could be worth a try?

> [@Web control impressions (and suggestions)](https://forums.maslowcnc.com/t/web-control-impressions-and-suggestions/12434):
>
> Hello all. i am using the latest version of web control in order to use the holey calibration. after finishing all settings and calibration i did my tests and for the first time i cut a perfect circle a thing that was impossible in GC ( after thousands of calibrations , frame improvements and so…) every thing looks good the precision in cuts is far better than GC BUT i have two issues i want to share with you. 1rst. if i pause a cut job i cannot resume it. (error sending command) 2nd if i…

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