This particular one was "in service" in Italy and went dead after a thunderstorm.
Just out of curiosity, I decided to open it and see why it was not working anymore.
Since the box is "melted" and sealed I didn't place any hope to repair it anyway, so I used some strong ways (hammer) to open it.
Here what I found.
As you can see an IC was totally melt down.
A very nice spike, very probably caused by the thunderstorm.
The PCB is broken because I used a quite strong tool to open the box :-)
Of course is very probable that other components are damaged as well, so is totally worthless to try to fix it anyway.
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