Why do I need to descale my dishwasher.
E12 washing machine error. All this is further explained here. Replace water inlet valve. Washing machine has detected overfill.
Make sure the place where the washing machine is installed must be firm balanced and not distorted. Water will have leaked in the bottom of the washer and has activated the flood switch. The E12 fault code refers to the water inlet valve and indicates that the filling process is too slow.
Check inlet hose for kinks and mesh filter for blockages. If everything is ok the valves on the unit have failed. The washing machine is leaking or there is water in the base plate.
Daniel Home Appliance Technician replied 3 years ago. Check that the tap is not turned off. This error code can be caused by overfoaming which is a result of overloading see this article or by overdosing or incorrect detergent as the pressure sensor will falsely read that there is too much water in the washing machine.
Logik Washing Machine Error 12. Pressure switches water circuit. The E12 Error Code on the display panel of your Bosch device is explained by the incorrect water intake during the washing.
Click here for more information on what to do to resolve a leaking washing machine. Please purchase the Bosch descaler to remove hard water deposits and limescale buildup. This error code can be caused by oversudsing from overloading or by adding too much detergent.