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05-11-2006, 01:28 PM
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#1
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2 Rivet Member
1972 29' Ambassador
Edgewater
, Florida
Join Date: Mar 2006
Posts: 61
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Another Univolt Question
Hi All,
My Univolt was working and while I was cleaning out the side compartments it just stopped!!! its a real bear to get to on my 72 Ambassador..under the tub and behind a closet....can anyone give any advise on what might have happened?? I checked the fuses I can get to and all look OK but I get no voltage readings on any of them. Maybe it just decided it was time and died...but I wanted to ask you all and see if there was anything else I can check, are they hard wired or pluged in?? and any suggestions how the heck to get to it??
Thanks
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05-11-2006, 01:34 PM
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#2
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Rivet Master
1966 22' Safari
1979 30' Argosy
Armada
, Michigan
Join Date: May 2004
Posts: 950
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I don't know the configuration of yours in your coach, but here's a simple question: Is the AC shorepower operating? Is any other 110vAC in the trailer working?
So, if it is, then is it reaching the converter? Check with a voltage test, but please be careful, that's probably a live wire!!!
After you have done these two tests, then you check the fuses in the converter. Right in the converter itself there should be one or more fuses. Replace them.
How do you know it quit? What was the indication?
Quote:
Originally Posted by higgy116
Hi All,
My Univolt was working and while I was cleaning out the side compartments it just stopped!!! its a real bear to get to on my 72 Ambassador..under the tub and behind a closet....can anyone give any advise on what might have happened?? I checked the fuses I can get to and all look OK but I get no voltage readings on any of them. Maybe it just decided it was time and died...but I wanted to ask you all and see if there was anything else I can check, are they hard wired or pluged in?? and any suggestions how the heck to get to it??
Thanks
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05-11-2006, 01:36 PM
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#3
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Site Team
2002 25' Safari
Dewey
, Arizona
Join Date: Mar 2005
Posts: 15,615
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Did you check the 110 Volt breakers? One of mine powers the inverter and the exterior patio outlet.
__________________
Richard
Wally Byam Airstream Club 7513
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05-11-2006, 01:40 PM
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#4
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2 Rivet Member
1972 29' Ambassador
Edgewater
, Florida
Join Date: Mar 2006
Posts: 61
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Univolt
The lights all went out and I get no 12V power to any of the lights, the 110V outlets still work, also I have three fuses that are not inside the univolt, two are very small amps in plastic fuse holders and one big one mounted beside the univolt, again all seem ok but I dont know what those go to ?
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05-11-2006, 01:55 PM
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#5
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Rivet Master
1966 22' Safari
1979 30' Argosy
Armada
, Michigan
Join Date: May 2004
Posts: 950
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Big one is between the battery and your univolt. The smaller ones are between the univolt and your DC items like lights and fans and pump. Did you check the AC breakers, like az said?
Hey, do you have a 12 volt battery in the system? If so, it should have powered the lights. If not, was there any special reason you took it out?
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05-11-2006, 06:52 PM
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#6
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2 Rivet Member
1972 29' Ambassador
Edgewater
, Florida
Join Date: Mar 2006
Posts: 61
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I have checked the breakers and they are ok, I do not have a battery in the trailer because I know it needs to be replaced, (is that what did it in maybe??) and the fuses I am talking about are outside the univolt, I see the fuses for the acc. and the battery inside the univolt cover but these are totally seperate? If I can get it working it will be easier to figure out what the go to. Maybe the control panel?
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05-11-2006, 07:53 PM
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#7
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2 Rivet Member
1972 29' Ambassador
Edgewater
, Florida
Join Date: Mar 2006
Posts: 61
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Has anyone used a Atwood SRV converter, I have been shopping around in case I need to replace my Univolt.. and is a 45 amp a good size for my AS??
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05-11-2006, 08:02 PM
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#8
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Retired.
Currently Looking...
.
, At Large
Join Date: Jun 2003
Posts: 21,276
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Anywhere from 45 amp to 65 amp is a good size, depending on if you are planning to install more 12 volt items.
There is also a little-known fuse that goes to ground (50 amp) that could give you a problem. It is also a very good idea to keep some kind of battery hooked up when using the Univolt, as it will help absorb some of the power spikes associated with an operating Univolt, and will help your other 12 volt appliances and lights live longer, healthier lives.
__________________
Meddle not in the affairs of dragons, for you are crunchy, and taste good with ketchup.
Terry
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05-12-2006, 11:00 AM
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#9
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2 Rivet Member
1972 29' Ambassador
Edgewater
, Florida
Join Date: Mar 2006
Posts: 61
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Thanks for all your help, I will do that and keep looking into what happened.
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05-12-2006, 11:35 AM
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#10
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Rivet Master
1966 22' Safari
1979 30' Argosy
Armada
, Michigan
Join Date: May 2004
Posts: 950
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If your Univolt is kaput, I would shy away from the "Atwood". Look into either Iota or WFCO three stagers.
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