# brake release button ! HELP !

**URL:** https://tech-community.robotics.abb.com/t/brake-release-button-help/3459
**Category:** Robot Controller
**Created:** [March 22, 2010, 3:52pm UTC](https://tech-community.robotics.abb.com/t/brake-release-button-help/3459 "2010-03-22T15:52:58Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![andy\_c](https://avatars.discourse-cdn.com/v4/letter/a/eada6e/32.png) [@andy\_c](https://tech-community.robotics.abb.com/u/andy_c)
#### Post date: [March 22, 2010, 3:52pm UTC](https://tech-community.robotics.abb.com/t/brake-release-button-help/3459/1 "2010-03-22T15:52:58Z")

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Hi guys,

I have problem with my robot

My break release button have stopt working, im going to check the eletrical wiering against the eletrical drawings.

Does anybody have any experiance with this problem!? Or does andybody have anouther idea what i might can do?

Thanks!

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<div class="post-metadata">

### Author: ![Stew](https://dub1.discourse-cdn.com/flex005/user_avatar/tech-community.robotics.abb.com/stew/32/3423_2.png) [@Stew](https://tech-community.robotics.abb.com/u/Stew)
#### Post date: [May 20, 2010, 1:30am UTC](https://tech-community.robotics.abb.com/t/brake-release-button-help/3459/2 "2010-05-20T01:30:58Z")

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Pressing the brake release button sends 24V through the brake circuit- releasing the brake.  
In order to send 24V the controller must be on.

You _do_ have the controller powered on, right?