In my NP I have the kitchen range and oven combo. It is propane but according to the manual the propane oven requires 12v power to operate. That tells me for sure there is a fan in there that is the humming noise.
Have you noticed that when you turn the oven off it continues to hum for awhile? At least mine does while it is cooling off.
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Outta Here!
2012 RAM 3500 4x4 Laramie DRW - High Output 6.7L Cummins, Max Tow, FireStone Airbags, 60 Gallon Titan XXL fuel tank, Fully Deleted
2017 Jayco North Point 377rlbh with Kaut NV 2.0 bike rack
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