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Inverter problem and an unlikely fix

After I uncorked the boat this year, I noticed that the Xantrex freedom 10 charger/inverter console wasn't working right. It wasn't showing correct information, claiming that it was in bulk charge mode when, in fact, the batteries were fully charged. Then it stopped working entirely.

I consulted with a friend who used to repair such things for a living. He told me that before I converted the unit into a spare anchor he suggested I remove it, disassemble and reassemble the electronics.

Last weekend, I did this, thinking he was crazy. Much to my surprise, it worked, and the inverter is now functioning perfectly again.

It took a couple of hours to remove the damn thing, but reseating the electronics took all of about 5 minutes. Apparently if you sail enough, things like that get loose, and it lowers the voltage just enough to make the electronics go weird or stop working.

Seeing as I work with electronics for a living, this has taught me that a marine environment causes all sorts of electronics issues you just don't see on land.
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Re: Inverter problem and an unlikely fix

May I ask how large your inverter is, and what you power with it?

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Re: Inverter problem and an unlikely fix

If you put some No-Ox-Id on the contacts before re-assembly, it'll prevent future problems.
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Re: Inverter problem and an unlikely fix

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May I ask how large your inverter is, and what you power with it?
It's a 1000W inverter. It's for the microwave in the galley, which we never use anyway. Both the microwave and the inverter are original equipment with the boat.

Honestly, if it wasn't also the battery charger (and a very good one at that) I wouldn't have bothered fixing it.
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Re: Inverter problem and an unlikely fix

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If you put some No-Ox-Id on the contacts before re-assembly, it'll prevent future problems.
I'll keep that in mind if this happen again. Hopefully not before I sell the boat.
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Re: Inverter problem and an unlikely fix

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It's a 1000W inverter. It's for the microwave in the galley, which we never use anyway. Both the microwave and the inverter are original equipment with the boat.

Honestly, if it wasn't also the battery charger (and a very good one at that) I wouldn't have bothered fixing it.
Ok, just curious.

Over the years, I read about a lot of problems with these things, and I always wonder what shore side appliances people can't do without, that requires an inverter. Your circumstances make more sense.

I've installed a 750w GENERAC standalone inverter, tied directly to the house battery. It has its own 110v outlets and a USB port and does *not* tie to the boat's AC system. I use it for rapid charging of cell phones, iThings and occasional power tool use (shop vac, drill, etc)

I have a separate, Guest smart battery charger.

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Re: Inverter problem and an unlikely fix

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I'll keep that in mind if this happen again. Hopefully not before I sell the boat.
Yes, and therefor the phrase "friends don't let friends buy Xantrex"

But if you did not re-solder the joints it will likely happen again very quickly.

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Re: Inverter problem and an unlikely fix

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Yes, and therefor the phrase "friends don't let friends buy Xantrex"
Hmmmmm. . . Interesting.

I have a Xantrex inverter (2500w) and a Xantrex Link 20 battery monitor in the boat and what I think is a kick-ass Xantrex battery charger which is now at home (no longer have shore power on the boat). All three have worked exactly as the manufacturer said they would and never a single glitch at any time in the ten years I've owned them.

You must have had a different experience that prompts your phrase? Maybe there is something I need to know.


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Re: Inverter problem and an unlikely fix

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Yes, and therefor the phrase "friends don't let friends buy Xantrex"

But if you did not re-solder the joints it will likely happen again very quickly.
The cables weren't soldered. There was a single cable connection that looked like it was hot glued, but other than that they were standard multi-pin connections as exist in any other piece of electronics I've worked with. The connections seemed ok, but pulling and reseating them probably broke some oxidation on the connections.
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Re: Inverter problem and an unlikely fix

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The cables weren't soldered. There was a single cable connection that looked like it was hot glued, but other than that they were standard multi-pin connections as exist in any other piece of electronics I've worked with. The connections seemed ok, but pulling and reseating them probably broke some oxidation on the connections.
I mentioned all the surface mount components. Likly some dry solder joints, or even iffy capacitors.

Xantrax issue is mostly the support or lack of it. They do seem to buy some good electronic designs though.

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