It ran down the expansion tank. Only the last 'sip' goes through it, but that should be normal?
Thank you for the keyword for the instructions.
Unfortunately it doesn't quite fit on my bike (no separate back panel, the sides go to the middle of the back of the bike), but finally I got the valve out, took it apart, cleaned it and put it all back together again. It was neither excessively dirty nor obviously broken. According to the manual I have probably the (original) old version, with only one plastic ball in the valve, without spring.
Apart from the fact that the coffee now tends to run down the housing of the brewing unit, the action unfortunately did not help. If I see this correctly, the coffee runs out at the connection point between the brewing unit and the drain valve. But it is still the case that the last sip goes through the expansion tank, so the valve works and is also tight. Does a new set of seals help or do I have to replace the valve? Or the whole machine?
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