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Old 10-23-2007, 06:59 PM   #15
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Howie....Because there is no point on the converter to check output voltage...I did what I thought was next best thing....followed the output wire to the DC power distribution panel and checked voltage there. Like I said....with nothing turned on I get 13 volts...granted...that's not amps...but I assume that's pretty normal reading. Now....when you turn on the lights that reading drops to 10 volts. I would think...in order to operate the lights plus keep the battery charged....it should continue to put out somewhere around 13 volts. I will run the test you gave but I ran out of time today....thanks much for your help

Charles
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Old 10-23-2007, 07:02 PM   #16
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Thanks Ricky.... I will check voltage at the battery tomorrow
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Old 10-24-2007, 06:19 PM   #17
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Okay....here's what I get when I check voltage at the aux battery post.

To start with....the ground power (120) has been connected for 24 hours.

I started with unplugging the ground power and took a reading...I got 9 volts. Then I plugged in ground power and I got 13 volts. Then I turned on the lights and the voltage dropped back down to 9 volts.
The troubleshooting continues
Charles
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Old 10-24-2007, 06:32 PM   #18
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pull that battery and have it tested, it seems to be bad.
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Old 10-24-2007, 09:05 PM   #19
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Sounds like that battery has at least one shorted cell.

Since a battery has to be charged to realy test it I would just try another battery overnight and test in the am.
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Old 10-26-2007, 03:16 PM   #20
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Interior lights

I really hate to admit this......

My light problem was just a aux battery very low on water.

What I am wondering about....since that battery is almost new....is it a problem to leave my external power plugged in all the time. I thought the univolt system would just drop off to nothing when the battery was fully charged. It appears to me this isn't the case and it is overcharging the battery...with the results it boils the water out.

Thanks for all your help...you actually did lead me to the problem

Charles
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Old 10-26-2007, 03:22 PM   #21
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Boiling batteries is a common issue with the Univolts. Limit the amount of time that the shore power is plugged in or replace the Univolt with a better converter. Converters with 3 stage charging should not have this problem.
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Old 10-26-2007, 05:25 PM   #22
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i always like a resolution :-)

the bad news is that your battery may or may not recover. the good news is that it you'll know to watch it now.
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