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Ursprünglicher Beitrag von: Schwarzstein ,

Text:

Ah, yes, solenoid is the word for "electric magnet", thank you.

Look at that video, it shows a damaged brewgroup,

but you can see the action of the valve:

https://www.youtube.com/watch?v=Pxad75B2...

At 0,18 the solenoid gets current and opens the valve by pushing the metal axle. For that duration a humming noise is hearable, listen good.

At 0,23 the noise ends in the moment the valve snaps back.

If you hear fot those 5 seconds a knocking sound it is very shure that there is a problem with that solenoid, the valve or electronics.

I hope you understand me, sorry. :)

Status:

open