Hum from Samlex Solar Controller - Escape Trailer Owners Community

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Old 03-26-2016, 05:35 PM   #1
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Join Date: Mar 2013
Location: Kelowna, British Columbia
Trailer: Escape 19
Posts: 11
Hum from Samlex Solar Controller

I recently picked up our new 5.0TA. Love it. However, there is a constant humming sound coming from the Samlex solar controller. It is consistent regardless if I am plugged into shore power or not (not that I think that should matter). I have set the battery isolation switch off & on, again with no impact on the humming. While the humming is fairly soft, it becomes irritating anytime you are in the kitchen area. Any ideas, suggestions would be welcome.

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Old 03-26-2016, 06:45 PM   #2
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Join Date: Jun 2010
Location: Central, Pennsylvania
Trailer: Escape#4, 2019 Escape21 DejaView pulled by 2014 Ram Hemi/8sp
Posts: 21,257
the solar is independent of your source as it creates its own power fro the sun, the switch just disconnects the battery from the trailer, the solar still is charging. Have you set up the controller properly for your battery set up? There is a manual in your paperwork.

"Never in doubt,..... often wrong!"
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Old 03-26-2016, 09:25 PM   #3
Join Date: Feb 2015
Location: Simi Valley, California
Trailer: 2015 Escape 5.0TA/03 Silverado 2500HD Duramax
Posts: 47
For what it is worth, no noise from our Samlex controller which the factory had set up correctly for the twin six volt batteries.
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Old 03-27-2016, 06:26 AM   #4
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Join Date: Sep 2009
Location: Southwick, Massachusetts
Trailer: 5.0 TA #6, 2012 F150 EB
Posts: 6,153
That's a problem I've not heard of before, would suggest calling ETI.

The inverter may hum.
Happy Motoring
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