PX main led not working

Hi all. Today after editing arducopter code, and uploading it to my PX, i realized that the main LED is not working at all. Connecting it using mission planner, uploading code, calibrating, pressing the safety switch and hearing the ESC beep, all of them are working fine, but whenever i try to unarm it, its not working. after that i realized that the main LED is off.

Do I understand correctly: You had a system with a working LED. You modified the firmware, uploaded your modified version, and found that the LED now does not work?

Have you re-uploaded the original firmware? If yes, and the LED still did not work, it sounds like you have a bad connection or the LED has broken.

If no, will you try re-uploading the original firmware and see if the LED works as before?

Thanks for your response. I reuploaded again the default firmware, and its working now.

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Do I understand correctly: You had a system with a working LED. You modified
the firmware, uploaded your modified version, and found that the LED now
does not work?

Have you re-uploaded the original firmware? If yes, and the LED still did
not work, it sounds like you have a bad connection or the LED has broken.

If no, will you try re-uploading the original firmware and see if the LED
works as before?

Toshiba LED was non-functional on px4-v2 in master for about a week.
Rebasing on master may fix the problem.

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