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10-14-2014, 03:12 PM
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#1
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Junior Member
Join Date: Jun 2014
Location: Mobile, Al
Posts: 12
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Noise
Just got my new 2014 3620FL home from the campground. I plugged it up, and turned on the main breaker. I hear what sounds to be a fan, or small motor running. When I go underneath at the compartment under the main breaker box it's pretty noticeable. I never noticed this noise before. Everything works fine, and hooked up correctly. Any ideas??
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10-14-2014, 03:15 PM
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#2
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Senior Member
Join Date: Feb 2013
Location: MA
Posts: 3,153
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Sounds like your converter. The more 12 volt is needed or battery needs charging, the more you will here it. It is usually behind/ below/ above you breaker box, always close by.
__________________
2013 Premier 31BHPR
2014 F350 6.2L
Soon to be just DW and I
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10-14-2014, 03:51 PM
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#3
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Junior Member
Join Date: Jun 2014
Location: Mobile, Al
Posts: 12
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Thank you sir
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10-14-2014, 06:38 PM
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#4
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Senior Member
Join Date: Aug 2014
Location: Panama City, FL
Posts: 127
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I have heard mine recently too. So are you saying the battery needs to be charged? Im hooked up to shore power but I still hear it when I turn on a light.
__________________
4-Bear's (Britt-Marie, Emma, Amanda, Richard)
2010 Ram 1500 Big Horn, 5.7L HEMI
2014 Keystone Laredo 320TG
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10-14-2014, 06:43 PM
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#5
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Site Team
Join Date: Mar 2009
Location: Fraser Valley BC Canada
Posts: 7,015
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The sound you hear is probably coming from the fan in the converter. Since the converter generates heat when it is operating, the fan keeps the components "cool". Your battery is most likely okay and doesn't need charging.
When you turn on the lights which operate on 12 DC, the converter "comes into action" and does its job by converting 120V AC to 12V DC. Converter comes on, heat builds up, fan comes on.
__________________
2008 Cougar 5th Wheel 27RKS
2005 2500 GMC Duramax
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10-15-2014, 07:04 AM
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#6
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Senior Member
Join Date: Feb 2013
Location: MA
Posts: 3,153
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Right, not just charging but any 12 volt draw. In my trailer if the lights are on you hear the fan. If you turn the lights on in one of the bedrooms it gets louder. Turn the light over the sink or table it is even louder so the more 12 volt use the faster the fan runs to cool it down.
__________________
2013 Premier 31BHPR
2014 F350 6.2L
Soon to be just DW and I
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10-15-2014, 07:10 AM
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#7
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,846
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There is a similar article in the current issue of Trailer Life. A reader asks if his converter should be hot? The response was: It depends on how much 12 volt power the converter is producing. Even when there is no power drain by the battery charging circuit, no output to the refrigerator, lights or pump, the converter will be warm. Just providing power to the two large primary windings in the transformer will produce enough heat to make the converter "noticeably warm".
Although I don't remember ever hearing the fan running while the converter was in a no load condition, I suppose that even with the trailer "essentially powered down" there is a likely chance that occasionally the fan would come on, just to remove the "residual warmth" from the primary transformer windings.
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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10-15-2014, 11:17 AM
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#8
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Senior Member
Join Date: Jul 2011
Location: 1 hour from Yosemite
Posts: 165
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Maybe take a can of compressed air and blow out the cooling fan, and whatever heat sink is behind it. a thick layer of dust on the heat sink will make it run warmer, and cause the fan to run more and faster (louder) then normal. As the 12 volt batteries age, they take more power to keep full, so it may be an old age thing as well.
__________________
2007 Chevrolet 3500 CC/LB Duramax/Dually 4X4 Mine r4tech, Reese Signature Series 18k +slider, duratrac, titan 62 gallon, diamond eye, Cheetah 64, EFI Live
2008 Chevrolet 2500 CC/SB Duramax 4X4 Hers r4tech, duratrac
2011 Keystone Fusion 405 TrailAir & Triglide, Centerpoint, gen-turi, 3 PVX-840T, XANTREX FREEDOM SW3012, G614
2013 Yamaha 242LS
2010 GMC Yukon The Bus
2005 Chevrolet 2500 CC/SB Duramax 4X4 Hers (sold)
2006 Jayco Jay Flight 31BHS (sold)
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