The AEG unit shows a power supply fault that requires checking the installation and stopping its use as soon as possible.
The AEG plate can warn of an incorrect electrical connection and requires the installation to be checked before continuing to use the equipment.
The control board can be blocked by an incorrect electrical connection. These are the real causes and the safest course of action.
The AEG control board indicates a detection or connection fault. These are the real causes and how to act without damaging the equipment.
The L symbol indicates that the child lock is activated; this is how it is deactivated on an AEG hob.
The warning points to an electrical connection failure on the board. These are the useful checks and when to stop using it.
The warning indicates overheating. What to check, how to restart the board, and in which cases technical service is needed.

Causes, risks, and signs to distinguish a simple residue from a serious malfunction in the microwave.
The warning usually indicates a power supply problem. Restarting helps, but the installation is usually behind it.
The board indicates a voltage drop. What to check, when to restart, and when to request technical assistance.
The Bosch cooktop protects itself when it detects excessive heat. This is how the system responds and when it is advisable to seek help.
The cooktop indicates overheating in one area. What to do, what not to touch, and when to call technical service.