Vanner Charger/Inverter trouble

[LutherC]

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 It seems they don't want to release the schematic even though the unit is obsolete.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

[robertglines1]

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.

[Ncbob]

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

[Sean]

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

[Oonrahnjay]

       Does anyone have info on a place to repair a Vanner equalizer?  Someone has managed to break the 12V stud off the one on my bus and I'd love to fix this one rather than buy a new one!

(A couple of places have worked on this bus in the last few months.   Both of them swear that they didn't touch anything in the battery compartment but I'm pretty sure that the 8-D batteries that are in it - and which don't like to hold a charge - are not the ones that were in it a few months ago.  But what are you going to do?)

[Timkar]

Do you know the model number of your Vanner? I have an older one( probably 20 years old) which is a 24-5000 and I have some schematics for it.
Don't know if it help or not....

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?

[bevans6]

I've found Vanner equalizer schematics on the internet in the past.  If it's just a stud it's probably a mechanical repair.

Brian

[Oonrahnjay]

I've found Vanner equalizer schematics on the internet in the past.  If it's just a stud it's probably a mechanical repair.       
Brian

     Thanks, Brian.  I haven't had a chance to take it off the bus and it's down in a place where it's hard to see but it feels like the stud is broken out of some part of the housing or other solid part.  When I can remove wiring to get to it, I will be able to see better.  Google pointed me toward some of the schematics and that should help.  But it would be kinda comforting to know that there's somebody out there who actually knows what they're doing when I get over my head (and I can get over my head in about 3" of them electrictron things).