Is it raining over power and powerlink cables?

Yes, the powerlink and the 240V power leads are clipped to an external wall, so they both get rained on.

Thanks.

Cover it with one of designers umbrellas,

https://www.stylebop.com/en-th/men/umbrella-with-skull-handle-260621.html?cpkey=a_NRT6dylbnJvJAjw9ZHVhIcUOx3wTQys4B80klhR30&ranMID=35919&tmad=c&tmcampid=16&tmclickref=gcdL%2FATRVoE&campaign=affiliate/linkshare/usa/&utm_source=affiliate&utm_medium=linkshare&utm_campaign=adsus&utm_campaign=linkshare&ia-pmtrack=50440005&siteID=gcdL_ATRVoE-BYUu4Z614jc09aTXF7iDnA

And wear insulated rubber boots before the next rain,and pray to holy spirits you are still alive...

Or just run cablings into waterproof sealed box

it sounds like you have a damaged cable, the hum is an earth leak it could be just water seeping into the cable, the cables are not outdoor rated. you need direct burial cable for that. I had a similar issue with a cat 6 cable being used as an audio balon the cable was in a flooded conduit we replaced with a direct burial cable and the hum disappeared (not B&O though)

So buy new cables use a sealed plastic coundit, no leaks please and that should fix it. make sure it's a uv rated pipe otherwise it will break down let in water and off you go again.

J

Hi Paul,

As mentioned previously, I think the Powerlink cables have become damaged during the installation.  It is very easy to damage the thin mk.3 cables when running these through walls, clipping the cables or joining them.  Specifically, it sounds as though pin 7 (Vref) may have become disconnected within the cable and become short circuited to pin 4 (speaker on signal) at the speaker end of the cable.

New cables should resolve this issue at a very low cost: