# Upgrade CB3 Series to E Series

**URL:** <https://forum.universal-robots.com/t/upgrade-cb3-series-to-e-series/24002>\
**Category:** General Application Help: How do I?\
**Created:** [September 22, 2022, 3:11pm UTC](https://forum.universal-robots.com/t/upgrade-cb3-series-to-e-series/24002 "2022-09-22T15:11:17Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![nnaylor](https://avatars.discourse-cdn.com/v4/letter/n/a9adbd/32.png) [@nnaylor](https://forum.universal-robots.com/u/nnaylor)\
**Post date:** [September 22, 2022, 3:11pm UTC](https://forum.universal-robots.com/t/upgrade-cb3-series-to-e-series/24002/1 "2022-09-22T15:11:17Z")

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Hello,

I am looking to get some input from people that have used the CB3 series and upgraded to the E-Series. Why did you switch? Were there issues you were seeing with the CB3 series?

Thank you