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Old 05-16-2019, 05:32 AM   #1
Nancyexeland
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Join Date: Feb 2019
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Humming noise by furnace

As soon as I plug my Springdale 2020qb in the furnace makes a humming sound. Do I need to turn something off. New just home from dealer.
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Old 05-16-2019, 06:10 AM   #2
NH_Bulldog
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Don't hate me for asking a stupid question, but are you sure it is the furnace? The furnace is located under the refrigerator, but the converter is right next to it under the pantry. The converter will have a fan that comes on when plugged into shore power when there is a power draw (such as charging the battery, running lights, fridge, etc)
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Old 05-16-2019, 09:33 AM   #3
Nancyexeland
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Thank you so much. That is where the noise is. I will worry no longer.
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Old 08-22-2019, 05:25 PM   #4
TrekkingTrooper15
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I too have had this problem... I looooooooked everywhere. But came to the conclusion of the converter fan.
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Old 09-17-2019, 10:25 PM   #5
Allen Arin
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A common cause for this issue is a loosely mounted transformer box.
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