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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 ...
tvman44's avatar
tvman44
Explorer
Mar 28, 2015
The relay, probably needs to be changed. Call PI, they have a lifetime warranty that is excellent. As said the other company sucks.

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