592 90 96-01 - COMPLETE PRINTED CIRCUIT. The electronic board is one of the components that can be damaged, for example, by lightning. The robot will often display the error message no wire signal, even if the LED shows a solid green light. In this case, try disconnecting one of the perimeter wires at that point, the LED should start flashing green. If it doesn't, it's likely that the electronic board is faulty. Don't forget to pair the robotic lawnmower after replacing the electronic board. Do this by placing it in the charging station and changing the PIN code (you can use the same PIN code as before). Replacing 544 45 41-05 / 544 45 41-04 / 584 82 20-02 / 578 78 85-01 / 578 78 84-01 / 544 45 41-02 Compatible with all second generation lawnmowers with the new charging plate, see image 3. For example, Automower 220AC, 230ACX, Gardena R160.