Looking at the manual, I see it has a rotary switch to select the thermostat, When you do that does the thermostat screen show or what do you get? Where do you hear the beeping, from the rooftop unit or from the monitor? Possible wiring question or possible not getting it turned on correctly at the panel, would be two guesses.
From looking for info, this seems like one that may need to go back to the dealer as there are at least four models(A, B, M, X?) of 2019 ERA and it is a new unit, so there will not be a lot of folks who have much experience with them.
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Richard
Why no RV year, make and floorplan on MY signature as we suggest for others?
I currently DO NOT have one!
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