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RVing_4_FUN's avatar
RVing_4_FUN
Explorer
Mar 28, 2015

Humming from Progressive Industires EMS 50 amp system

About 6 months ago I had Camping World install a Progressive Industries EMS 50amp system to our Montana Big Sky. During the last 2 weekend trips we have noticed a loud "hum" from the EMS unit. At ...
Padlin's avatar
Padlin
Explorer
Mar 28, 2015
I called PI on mine, they had me take apart the relay and blow out and dirt. When that didn't work they sent me another relay.

Edit... Changed to PI

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