Loud Humming Sound from Low Rinse Cistern During Final Water Collection Stage

I don't know if I've come to the right section of the above-mentioned topic? What I mean is this:
When rinsing with a scrubber (low rinser), at the final stage of water collection (filling), the pipes start to hum loudly (humming) all over the riser to which the scrubber is connected, my question is as follows:

- what could be the reason for the above noise?
- what should you do to get rid of it?

Some problem with the flush valve. We once had such a situation at home with my parents. There it was like that with hot water over the sink. Traditional taps. Until the boiler vibrated at times. Sometimes louder, sometimes quieter. Just when unscrewing and screwing, or with a small stream of water. It was like that for several years and I couldn't do anything about it. Suddenly it stopped as I replaced all the batteries above the sink. So far, I have no idea why this could be happening. I suppose it was due to the high pressure in the pipes and possibly some problems with the flow past the hot water tap.

Jerzykowski, you were right, the valve is replaced, the scrubber works without noise, thank you.

I close the topic !.