A Geberit wall-mounted (in-wall?) toilet flush does not stop the water flow automatically if the handle is returned to the original position after flushing. This uses a lot of water and just makes me feel bad about the waste.
I have peeked inside and took the plate out but have not disassembled or taken the other parts out until I know what I'm supposed to look after.
The water stops if the pin is pushed by hand when the front plate is missing but will not return on its own until all the water is gone from the tank.
Anybody has any tips what should make the pressure for the shut-off to work?