Models with electronic display is often programmed to self-diagnosis. In other words, when an error occurs in the system are in the form of symbols display information about it on the screen. Oven Error Codes Each manufacturer their own, they are detailed in the instructions that are specific to the model. For example, if the oven BOSCH is not included and the display will show signs of E011, the possible cause of the problem - long press one of the buttons at scuffing or sticking. Repair of ovens in such cases is not made, such problems can be resolved with their own hands, following the advice of the instructions.