Hi,
I just received my HifiBerry Amp and it has been working perfect for a day.
However I just plugged out my Raspberry, and after plugging in again all I can hear are clicking sounds on both speakers. They seem to start once the kernel module is loaded and only stop when the plug is pulled. They come with a frequency of about 1Hz (once per second).
Modules get loaded, aplay shows the amp as a sound device and the only thing close to an error in dmesg is:
[ 8.110677] pcm512x 1-004d: Failed to reset device: -5
[ 8.146812] pcm512x: probe of 1-004d failed with error -5
[ 8.171468] pcm512x 1-004c: Failed to reset device: -5
[ 8.178464] pcm512x: probe of 1-004c failed with error -5
I couldn't say if that hasn't been there before, though.
Also volumio seems to think it can play back, but no matter whether it plays a song or stops playing, the clicks don't change.
I tried with the amp in a second raspberry, btw and it was the same. Also, I switched back to HifiBerry DAC on the original PI and that's working perfectly (with an external amp)
Is there anything else I could try or did the board actually die on me after one day?
Regards,
Robert
Date
Votes
5 comments
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HiFiBerry team Hi Robert,
can you check if there is a shortage at one of the speaker connectors. The Amp has an overload protection. If an output is shorted, it could result in a behaviour like this.
The PCM512x messages come from another driver, this is normal and has nothing to do with the Amp.
Best regards
Daniel -
Robert Wunderer Hi Daniel,
thanks for your quick reply.
I've triple checked the connectors and also looked for other possible causes of shortages, but I couldn't find anything. Also I've connected/disconnected the speakers a dozen times already when trying to solve this problem.
The problem occured after I exchanged the 3-way power strip against a 6-way power strip. I pulled the raspberry power suply (and to others) from the 3-way and plugged them + an additional device into the 6-way. Is it possible that this somehow caused a power surge that triggered the overload protection and it got "stuck"?
One more thing: the power supply I'm using is 2A only (I read somewhere that it should have at least 3A). But as I said it did work perfect at first, the sound was even a lot louder than with the T-amp I've used with the DAC.
anything else I could try?
Best,
Robert -
HiFiBerry team Dear Robert,
I'm sorry that this happend. In this case we have to check and eventually exchange the board. Please return it to us:
Modul 9 GmbH
Bachmattstr. 14
CH-8932 Mettmenstetten
Please declare it as "defective return" with a value of €10.
Best regards
Daniel -
Robert Wunderer Thanks. I've sent the parcel on it's way today.
Robert. -
Neil Jackson Hi Robert and Hifiberry team,
I had the very same issue and nearly binned my amp+ but the simple answer is that when you have the volume at max you get the clicking, if you reduce the volume slightly all is well. Just thought i'd put this out there in case anyone else hast the same issue
Cheers
Neil
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