See if you can check and tell us if your unit has a separate AC to DC Converter/Charger and DC to AC Inverter, or if it has a combined Magnum Inverter/Converter. Different things to check depending on which kind you have.
Either way check for a tripped circuit breaker in your AC breaker box and try to reset if tripped.
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Randy - Manhattan, Kansas
2015 Vista 27N
2020 Ford Escape Hybrid