Humming sound

RoDa · November 2020

Is it normal for there to be a humming sound inside trailer when it is plugged into shore power?

pthomas745 · November 2020

If you are hearing a fan noise, it is coming from your converter. That is the black box down near the floor on the driver's side of the trailer. When the converter charges the battery, the fan is designed to keep the converter cool.

rhyno · November 2020

If it's a electrical buzzing or humming noise, it could be the converter or it could be your EMS/surge protector, if you have one.

Humming sound

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