I think most need to realize that you may just want to expect a failure and have an extra one sitting in your garage waiting for it's turn to die!
That what I did expecting the same results from the last 2 that died from overheating.
I received a new replacement unit from Eagle in about a week including shipping both ways, so at least their service is good. It had a 1 year warranty.
I disassembled my dead factory unit and tested the diodes. They were electrically intact but one had the ceramic package baked to a crisp and falling off. It could have been fixed with just a regulator but the diodes/rectifier was not far behind. I had it rebuilt by a reputable local shop for $100. Call it a spare.