@Nick > Have you tried using a different USB cable, different USB port, or even a different computer? That single LED indicates an issue with the power provided to the controller over the USB input.
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Hi.
Me and my friend both have SB3 and got same issue, blinking single red led on the top-right channel level.
I'm using the same laptop which was working previously and tried all the odds, nothing works. From the day we got this red light, never worked anymore, both.
Could you please tell me what else this light could mean?
It's obviously not a power issue in this cases.
Thanks
@Simone > If you're both using the same laptop, it's entirely possible that it is a power issue with the computer not providing adequate power over the USB bus. Please try the fixes outlined above.
I solved this problem. This is a firmware issue.
Remove the driver and reconnect your controller (with internet enabled)
How did you solved this problem I'm having the same issue