When plugged into shore power, the converter should provide all of the needed 12VDC. You have a bad converter. It's not charging the battery and when the battery runs down all of the controls that need it stop working.
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2010 22FB(Ret)
2013 F250 XLT
I now have a Keystone Outback, but I try to help when I can.
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Bitter Gun Owner
Bitter Clinger
Armed Infidel
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