XU4 red led flashing quick

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dkked
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XU4 red led flashing quick

Post by dkked »

Hello, I have my XU4 working as a media server and is backed up by UPS. All of the sudden it is unreachable.
I'm not sure what the red led flashing means. Is it the board or is it the power adapter?

Video: https://drive.google.com/file/d/1FC0JsC ... sp=sharing


Thank you.

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Re: XU4 red led flashing quick

Post by dkked »

Managed to get a new power adapter and that solved the problem. Board is OK.

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Re: XU4 red led flashing quick

Post by rooted »

That's good news. Was the previous supply purchased from Hardkernel?

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Re: XU4 red led flashing quick

Post by odroid »

As far as I've seen on the forum, if the PSU output voltage was higher than 5.5Volt, the XU4 red LED might be flashing rapidly.
Note that recommended XU4 working voltage range is 4.8~5.3Volt.

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