AdrianWelke

It's the Tacho on the Motor... New motor = Happy Days! Ade

Can you select a spin cycle and post what happens? Ade

So you're not happy with the amount of bubbles? Too little or too many? TBH, the only way to go forward (As you've just had the appliance installed), is to re-visit the retailer again, show him the YouTube video, express your concerns and see what they say. As this isn't a 'Technical' question or 'situation' as such, that's all I can say unfortunately Ade

If you're talking about the upper part of the dispenser housing looking black and starting to clog, as odd as it may sound, use a toothbrush with some diluted soda crystals. Ade