# Orange blinking led on robot hat for picar-x

**URL:** <https://forum.sunfounder.com/t/orange-blinking-led-on-robot-hat-for-picar-x/4764>\
**Category:** General\
**Created:** [June 6, 2026, 12:35pm UTC](https://forum.sunfounder.com/t/orange-blinking-led-on-robot-hat-for-picar-x/4764 "2026-06-06T12:35:07Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![wrwildey](https://avatars.discourse-cdn.com/v4/letter/w/bbce88/32.png) [@wrwildey](https://forum.sunfounder.com/u/wrwildey)\
**Post date:** [June 6, 2026, 12:35pm UTC](https://forum.sunfounder.com/t/orange-blinking-led-on-robot-hat-for-picar-x/4764/1 "2026-06-06T12:35:07Z")

</div>

Can someone tell me why the led next to the button labeled USR continuously blinks? The LED is labeled D1. Also, I tried charging the battery overnight but the red charging light never goes off while the charging cable is connected. How can I get a replacement battery?

---

<div class="post-metadata">

**Author:** ![SunFounder\_Moderator](https://avatars.discourse-cdn.com/v4/letter/s/34f0e0/32.png) [@SunFounder\_Moderator](https://forum.sunfounder.com/u/SunFounder_Moderator)\
**Post date:** [June 9, 2026, 1:16am UTC](https://forum.sunfounder.com/t/orange-blinking-led-on-robot-hat-for-picar-x/4764/2 "2026-06-09T01:16:15Z")

</div>

Please contact [service@sunfounder.com](mailto:service@sunfounder.com) for further help.