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Hello, so far it sounds like the lightning during the storms and electrical spikes during the power failures have damaged the electronics (a printed circuit card) inside the unit. IF that is the case and you can find someone who will work on it, the repairs might cost almost as much as a new unit.
Thats how it is with the low cost chinese equipment when imported to the US and our off the chart labor rates.
Tell me how old it is approximately, and how much it cost so that I can advise you most appropriately from there.