Quote:
Originally Posted by retiredguy123
How did he know your issue was caused by a voltage surge? I think he just made it up.
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Surge voltages area a very common/likely failure mode for electronics that have been on service for a period of time.
Sometimes the failure does not occur immediately. The surge initially weakens the component (makes it pregnant...) but it doesn't fail until a later point in time.
If you have damage from a surge or lightening strike, it's common additional components to fail days/weeks after.
In my former life, we would retreive failed critical system components and perform testing/analysis to identify the cause of component failures.