# C50A0 Error: Robot Power Issue

**URL:** <https://forum.universal-robots.com/t/c50a0-error-robot-power-issue/35569>\
**Category:** Technical Questions\
**Created:** [August 6, 2024, 4:38am UTC](https://forum.universal-robots.com/t/c50a0-error-robot-power-issue/35569 "2024-08-06T04:38:43Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![soo](https://avatars.discourse-cdn.com/v4/letter/s/9dc877/32.png) [@soo](https://forum.universal-robots.com/u/soo)\
**Post date:** [August 6, 2024, 4:38am UTC](https://forum.universal-robots.com/t/c50a0-error-robot-power-issue/35569/1 "2024-08-06T04:38:43Z")

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i hava a booting issue in UR3e robot  
it says C50A0 Robot Power Issue  
and it suggests me to remove every external IO interface.  
I did what it said but it didn’t work

> [@C50A0 Robot powerup issue](https://forum.universal-robots.com/t/c50a0-robot-powerup-issue/30479):
>
> I have a customer With a UR10e, Polyscope Ver 5.12. We have done some Wiring modifications to the Safety (added a Pressure floormat into the Safeguard Stop) and all tested fine. Now when Powered on in Remote. The Robot reports an alarm C50A0: Robot powerup issue If I switch to Manual mode the fault still persists. However If I power on whilst in Manual mode the Fault does not appear and I can swap to Remote and run the program fine. I have removed all Estops, safeguard stop and replaced wit…

I already checked the topic above and did what the article said and didn’t work.