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Author Topic: Vanner Charger/Inverter trouble  (Read 1762 times)
LutherC
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« on: June 23, 2010, 08:56:33 PM »

Hi Guys,

I have a problem with an older (maybe 14 years old) Vanner 3600 watt charger/Inverter. It has worked flawlessly for the last 12 years that I have owned my coach. However, the storage unit where I keep my Coach had a problem with their electrical panel and the incoming voltage went up to 138 volts. The high voltage wiped out my battery charger. however,the inverter portion still works.
I contacted Vanner to see if they could repair it, but its too old for them to mess with. And they couldn't  recommend another repair source. I talked with their service department and ask if I could get a schematic. They in turn ask their engineering department but after four follow up calls I gave up. It seems they don't want to release the schematic even though the unit is obsolete.
I have an electronics back ground and can troubleshoot/repair it. And a schematic would make it so much easier.

Does anyone happen to have a schematic?

Thanks,
Luther
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robertglines1
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« Reply #1 on: June 24, 2010, 05:37:12 AM »

had simular problem was internal fuse...look there...don't have diagram good luck...supplemental battery charger?like used in bass boats...just a idea.
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NCbob
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« Reply #2 on: June 25, 2010, 02:25:26 PM »

The easiest way to check it out is to connect it to a 24V source and connect a 12 Sealed beam across the 12V pins and read the load voltage. It might surprise you and work.

NCbob
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Sean
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« Reply #3 on: June 25, 2010, 06:56:57 PM »

The easiest way to check it out is to connect it to a 24V source and connect a 12 Sealed beam across the 12V pins and read the load voltage.


Not sure what you are talking about here.  He's got a Vanner inverter/charger, not an equalizer -- there are no "pins" of differing DC voltage.  It's either a 12-volt unit or a 24-volt unit (the OP did not say which).

-Sean
http://OurOdyssey.BlogSpot.com
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