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Old 06-11-2014, 12:44 AM   #1
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Inverter on, but controller won't turn on?

2008 Berkshire 340bh-50...Magnum converter upgraded controller.

On the road again tonight, and pulled over for the night (Yay for Walmart!), when I noticed that out 110 stuff was on...the microwave and the TV had power, even though we're not plugged in.
I checked the Magnum controller to see if someone had turned on the Invertor, but the controller is blank and dark, and won't turn on no matter what button I push!

I can turn the microwave off by flipping the 110 breaker under the bed.

It seems as of my automatic switch switched from the shore to the Invertor when I unplugged tonight to leave.

Any ideas there?

And why can't I turn on the Magnum controller?

I did try turning off the batteries using the electronic shut-off by the steps, but the 110 stuff stayed powered up, even though the 12v stuff did turn off.
So I turned that back on.

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Old 06-11-2014, 08:49 AM   #2
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Location: Carmel, In
Posts: 174
Disconnect neg cable from coach batteries and wait 10 min. I would have said turn off at main disconnect in battery compartment, but the converter/inverter has a small wire that bypasses the disconnect.

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Old 06-15-2014, 06:21 PM   #3
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Thanks. I did that, and the controller still doesn't come on, even though inverter appeared to start working correctly. (At least, the inverter appeared to be "off" now when just running on batteries)

I'm just now today at a place where I can plug in to shore power. I was hoping that would cause the controller to come
on again, but no luck.

I did unplug and replug the controller wire into the charger/inverter, but that didn't seem to help.

I'm stuck on this one!
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Old 06-20-2014, 09:16 AM   #4
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Turns out, it appears that the "phone" cable that connects my remote controller to the charger/inverter has a problem.

When I took the controller out, and used a short, 4-wire phone cord to connect directly to the charger/inverter, it powered up just fine.

So I'll be troubleshooting that wire. May have gotten pinched, rubbed, chewed, or corroded. Or maybe just an end is bad.

Hopefully that helps someone else along the way!
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Old 06-20-2014, 09:27 AM   #5
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Location: Long Island (Nassau County), NY
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Good find. I'm sure someone down the line will have the same problem and will be able to use your info.
Tom and Margaret
2014 Berkshire 390bh-60

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