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Hi.

I have this problem from time to time since I received my UPP in late 2017 (Wow! Was it THAT long ago?). I don't know what causes it and I don't know what fixes it. While I have the problem, I can't play high bitrate files.

I have the latest firmware. Source is a dedicated music PC with an Amanero card. Software source is regularly-updated JRiver. Output Format Sample rates are all set to Output "No change".

Standard 44.1kHz CD files play fine. 9219 flac plays fine and the UPP display shows a sample rate of 192.0kHz. Other lower bitrates play fine too.

For any higher bitrates the DAC Mute LED is on:

2259 dsf shows a sample rate of 11.289 MHz. Amanero Status Sample Rate is shown as "Unsupported".
16934 wav shows a sample rate of 352.8 kHz. Amanero Status looks OK. DAC Mute still on though.
16934 dsf shows a sample rate of 2.822 MHz but Amanero status Sample Rate is shown as "Unsupported". Pictures 5 and 6.
11289 dsf shows a sample rate of 5.645 MHz but Amanero status Sample Rate is shown as "Unsupported". Pictures 7 and 8.

I'd really like to get to the bottom of this problem!

Thanks!