The same approach worked for SRV46A63.
To remove water from the float-enabled switch you need noot only a rag, but a syrenge. In narrow Bosch dishwashers there is a water detecter that looks like a mushroom turned upside down and the "mushroom cap" sits in a kind of a shaft. A leakage would fill the shaft, pushing the cap up, the cap, in turn, would push the red lever which presses a microswitch. A rag would help you to get water from the base, but not from the shaft. You need to get all the water off this shaft with a syrenge, sliding the syrenge needle between the shaft wall and the cap.
%#*@, I should have made a photo!