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Old 01-23-2021, 02:19 PM   #1
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Join Date: Apr 2020
Posts: 8
Invertor Heart Interface Issues

I was driving along when I smelled moderate burning. Lost AC power at the same time so assumed something to do with the invertor. I now only get AC power when the generator is running. I pulled the cover from the invertor and did notice a wire that seems to have burned. See attached pictures. But it's a 1999 Fleetwood American Eagle so I'm wondering if it's time to replace the system rather than try to fix it. I recall a few years ago that a home stereo system that I was running in the coach seemed to fry out. I was told it had something to do with the type of power that the system produced but I don't know. Wondering if new systems produce "cleaner" power.

Anyways, do you think it's worth trying to fix it or should I install a new system? Can a new install be a fairly easy DIY project? What parts do I need to order? Can I just remove the Heart Interface box and rewire it to a new invertor? Or is this a job for a professional?

Appreciate some advice. Thanks
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Old 01-23-2021, 03:06 PM   #2
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Join Date: Jul 2014
Posts: 26,298
Not worth fixing.

When you replace, you should get a PSW, " Pure Sinewave " inverter charger.

That's the type that is better for electronics. PSW is much closer to home power then your old MSW, ( Modified Sinewave ) inverter.
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Old 01-24-2021, 10:33 PM   #3
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Do you have a recommendation for a particular product to go with? How many watts/amps? Do you know if it's a simple as disconnecting wiring from the existing unit and wiring to the new one? The inverters I see online have actual plugs in them which doesn't seem like the right design for by set up. Lots of wiring on my existing system so wondering if this is a job too difficult to do myself.
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Old 01-25-2021, 05:18 AM   #4
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Heart was bought out by Xantrex, who still sells inverter/chargers.

See how many watts yours was and replace it with the same. That way all of the cabling should be the correct size.

If you go with a higher watt output model, you may need to upgrade the battery and 120 volt wiring.
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Old 01-25-2021, 06:05 AM   #5
Join Date: Nov 2019
Location: Lake Worth, FL
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It's my understanding that all of these fail at some point... Yours has lasted longer than most! Mine was replaced before I bought it with a Magnum inverter and a Lyght transfer switch. If you're comfortable with electrical wiring, you could easily do the changeover.Click image for larger version

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