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Old 06-08-2013, 08:44 AM   #1
1 Rivet Member
1975 31' Sovereign
niskayuna , New York
Join Date: May 2013
Posts: 6
Is my Univolt dead?

Hello all,

First I want to thank everyone for the help so far. I am new to the forum and not mechanically savvy. If that, I have a "power" issue. Our first time out with our AS, we were on battery power and within about 4 to 5 hours the battery was dead. We weren't using many items, maybe a light or 2 but not long. So we roughed it the rest of the weekend. When we were leaving I plugged the AS into my truck to tow and we noticed that we had power. I unplugged and everything worked. So I figured the battery was bad. Replaced the battery, and while sitting in our driveway, the same event happened, dead battery. When I plug the AS into shoreline, I hear the univolt humming, thinking that its working we tried another trip. This time at a place with hookups just in case. Sure enough few hours battery was dead. When I arrived home I noticed we had power again. I figured the battery recharged itself off the truck. After a few days I went out to check the power and everything was dead again. Nothing was left on in the AS so not sure what is killing the battery. I'm lost. Any ideas or options would be so greatly appreciated. Thanks in advance.

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Old 06-08-2013, 09:05 AM   #2
4 Rivet Member
timmaah's Avatar
1999 25' Safari
On , the road
Join Date: Aug 2010
Posts: 293
If you want to try and diagnose it yourself you will need a volt meter. You can get a cheap one for $10. Touch it to the battery at different times and post your readings. It should be 13+ if the converter(Univolt) is working.

>>This time at a place with hookups just in case<<

Did you not have shore (120v) power on the first trip when your battery went dead? The univolt only works when the airstream is plugged into an outlet. Not sure on yours, but on our there is a switch that turns the converter on and off. Perhaps it is in the off position.

When you plugged into the truck and got power, it most likely was pulling some from the trucks electrical system.

How old is the Airstream battery? You may need to replace it as well.

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Old 06-08-2013, 09:11 AM   #3
1 Rivet Member
1975 31' Sovereign
niskayuna , New York
Join Date: May 2013
Posts: 6
Will be purchasing the volt meter today.

The first time we went camping (boondocking) we were not plugged in and the battery died. The age of the batteries. 1st trip 6 months old. 2nd trip 1 day old.
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