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The Converter fan normally runs when supplying a DC load larger than a float charge on the batteries, for us that may be as little as the main LED lights being turned on with the bedroom lights on, so I don't think that is a concern.
I would imagine your Inverter's fan would also run while under load producing 120 VAC from the battery bank but it should not need to do that if you are plugged into SP with a proper adapter for your coach and you have no other issues like a faulty Automatic Transfer Switch and no load shedding going on.
So the question is: is your inverter having to make 120 VAC right now? Turn it off and see what happens.
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Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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