The F12 error code on Bosch washing machines generally indicates a short circuit issue. This means an unintended electrical connection has occurred, potentially causing damage and safety concerns.

Unfortunately, the F11 error code on Bosch washing machines can have different meanings depending on the specific model you have. Here's what I know about this error code

The F10 error code on Bosch washing machines indicates a communication error between the various components. This means that the control board, which manages the entire washing process, is unable to effectively communicate with other essential parts like the motor, sensor, or heating element.

Unfortunately, the F09 error code on Bosch washing machines isn't entirely consistent across models. Its meaning can vary depending on the specific machine you have.

The F08 error code on a Bosch washing machine indicates a door lock issue. This means the machine detects that the door is not properly closed and locked, preventing the wash cycle from starting for safety reasons.

The F07 error code on a Bosch washing machine indicates a problem with the temperature sensor, also known as the NTC (Negative Temperature Coefficient) sensor. This sensor is responsible for measuring the water temperature during the wash cycle and ensuring it reaches the desired level. 

The F06 error code on Bosch washing machines indicates a problem with the thermistor (NTC), also known as the Negative Temperature Coefficient sensor. This sensor plays a crucial role in measuring the water temperature during the wash cycle.

The F05 error code on Bosch washing machines signifies an uncontrolled motor start-up. This means the motor begins spinning unexpectedly, potentially creating safety hazards and preventing the washing cycle from running properly. 

The F04 error code on Bosch washing machines typically indicates a problem with the motor or motor control. This could manifest in several ways, depending on the specific model and issue:

Unfortunately, the F03 error code on Bosch washing machines isn't entirely consistent across models. Depending on the specific appliance you have, it could indicate different issues. 

However, here's what I can tell you based on what I know