Well damn . . . Power surge or just power drop?
Thinking after the fact, would a whole house surge suppressor have been of help to prevent this? Not guilting , but am interested in one of these mini-split units for my shop and we do not have stable power on a coop grid (lots of such "glitches").
The timing of the "glitch" and the outside unit failure just can't be coincidence.
I agree that looking at the DC main caps is a great idea. Easy to unsolder one end of the cap and check it out with a capacitance meter. Or if "puffed out" you have a very visual indication of failure. It is always something.
I had to round up cows today as they found yet another way out . . .
Feel your pain.
Steve
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consulting on geothermal heating/cooling & rational energy use since 1990
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