We had an outage in Albstadt for several days on June 4 this year – in connection with a power failure there. So something happened, a lightning strike or something.
A member from Albstadt brought the switches to our weekly meeting today and we unscrewed them to see what had happened – when we plugged them in, they no longer started up.
Our analysis: A capacitor in the power supply unit has been smashed due to too much current.
Switch 1:
Switch 2, more detailed, also with the part separated from the rest:
