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Hi! My name is ***** ***** I can assist you with this. I may need some additional information from you first in order to give a complete answer.
Most newer models on these RVs have converters with multiple charging voltages and LED lights are especially sensitive to voltage fluctuations. I suspect that when the converter moves from one stage to another as in higher voltage for charging the batteries, they flicker. I have all LED lights in my house and I live off-grid and have the same issue when the generator kicks on. The fan coming on indicates that the converter has increased the charging voltage due to the decrease in voltage at the batteries. Hope that helps here. Please get back to me if you need more as all follow ups are included in our fee.
This should have had two batteries installed by the dealer and many only put in one so they can save money. Adding another battery would help keep this from happening as often, especially if you are dry camping. And then some solar panels on the roof would pretty much eliminate that altogether.
Just checking back in to see if perhaps you might have missed my previous responses to your question? Easy to do considering the volume of e-mail most of us get every day. Or perhaps it ended up in your spam file. In any event, I would be happy to resend it and help you resolve this issue. Thanks!