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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 ...
cmarq's avatar
cmarq
Explorer
Mar 28, 2015
I just installed the 30 amp with remote display. I did notice a slight hum move a foot away you don't hear it. After retiring I worked for a company that built and repaired car washes they use a lot of AC powered relay a hum from them was common. My only concern is when you install one make sure the wires are fully in the terminal and tightened securely.

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