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Old 08-16-2014, 06:48 AM   #1
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1991 29' Excella
Rockwood , Ontario
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Propane Gas Detector Went off Last Week-Turns Out NOT the Propane

Hi Everyone that helped me out last week, with my alleged propane leak, and hot kill switch.

Just picked her up yesterday from the dealer and the verdict is inů.
it was the batteries! They were boiling so much that they emitted a very sulphuric like smell that built up and the propane alarm went off. This is why I thought it was a propane leak, along with the gas like smell.

The batteries remained hot for a few days, because they still were hot when the technician removed them. Thankfully they were an AMG glass mat so they did not boil over into the trailer.

I had both batteries replaced, the unit was checked for a propane leak, which there actually was, a small leak coming from the 'pigtails' outside at the tanks.

I had noticed the old batteries were not of the same age, one from 2009, the other 2011. So now they are both July 2014.
Just out of curiousity, how long should these new AMG's last on average, and what can I do during winter storage to make sure they last.

Thanks again everyone
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Old 08-16-2014, 07:46 AM   #2
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Just because they look pretty doesn't mean they are...

I failed to properly check my batteries and had the same situation.
Interstate Battery rep told me max 2-3 years for deep cycle, mine were 7 years old when they went bad, but they looked real nice and the water level was good...then bam

Use a trickle charger in winter to keep them charged and from freezing.
check:
1. Water level ( use distilled water only to top)
2. signs of "bulging"
3. signs of boiling
4. Temperature
5. excessive smell of sulfuric acid
6. voltage of each battery individually
7. Date imprinted on top of most batteries
8. signs of acid corrosion around your battery compartment
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Old 08-16-2014, 08:01 AM   #3
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Quote:
Originally Posted by breezyway View Post
They were boiling so much that they emitted a very sulphuric like smell that built up and the propane alarm went off.
At the risk of stating the obvious (but when has that ever stopped me?) you HAVE also checked your battery charging system to make sure it's working properly, right?
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Old 08-16-2014, 08:36 AM   #4
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On another RV forum, there was some speculation that there was a bad batch of detectors that was later confirmed by a manufacturer. Had the same problem and disconnected the unit. I've RV'ed for 45 years without one and still kicking.
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Old 08-16-2014, 09:56 AM   #5
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Glad u got the problems fixed! Now you can learn about charging system!

I wonder why if charging system "ok" it must have been a problem with one of the batteries.

Pull batteries and put where they won't freeze. Put each on its own trickle charger.. Or alternate the same charger weekly thru winter.
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