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 > Propane alarms sounds at odd times

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perrodiablo

Grand Prairie, Texas

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Posted: 06/30/21 09:19pm Link  |  Quote  |  Print  |  Notify Moderator

I have a 2007 Rockwood 2607 TT. For the last year my propane alarm goes off at some of the oddest times. Usually 2-3 days into my trip and always between 3:am and 6:am in the morning. I changed it out for a new one but it continues. I purchased a plug-in Home combustible gas detector and it does not sound. This existing unit is mounted 3 inches off the floor and next to the fridge and converter. I have some pet food off to the right about 3 feet. My wife thinks the food is setting it off or maybe cat breaking wind.

Any suggestions are welcomed.

Thanks,
Tom


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rlw999

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Posted: 06/30/21 09:34pm Link  |  Quote  |  Print  |  Notify Moderator

perrodiablo wrote:

I have a 2007 Rockwood 2607 TT. For the last year my propane alarm goes off at some of the oddest times. Usually 2-3 days into my trip and always between 3:am and 6:am in the morning. I changed it out for a new one but it continues. I purchased a plug-in Home combustible gas detector and it does not sound. This existing unit is mounted 3 inches off the floor and next to the fridge and converter. I have some pet food off to the right about 3 feet. My wife thinks the food is setting it off or maybe cat breaking wind.


Are you sure yours isn't a combo Carbon Monoxide/LP gas detector that's being set off by CO?

Many things can set off a propane detector, especially sprays like hair sprays, cooking sprays, alcohol sanitizing sprays and yes as you said, even flatulence. But at 3am you probably aren't spraying anything and unless the cat is sitting on the unit, it'd be surprising if the cat is the culprit.

Did you check the manufacturing/expiration date of the replacement unit? They expire whether or not they're in use, so if the seller gave you an old one from the back of the shelf, it could already be expired.

CharlesinGA

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Posted: 06/30/21 10:33pm Link  |  Quote  |  Print  |  Notify Moderator

Is this 12v powered? if so do you have a volt meter? Its possible the voltage is dropping off, as I think they will activate with low voltage. Sort of a warning that they don't sense properly and are failing due to the low voltage.

Are you plugged into a pedestal at a campground? If so check the output voltage of your converter.

Charles


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wopachop

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Posted: 06/30/21 10:58pm Link  |  Quote  |  Print  |  Notify Moderator

perrodiablo wrote:

always between 3:am and 6:am in the morning.
Is this part true or more a joke about the annoyance?

The guy above talking about voltage drop could be on to something. While boondocking usually 3-6am your batteries are the lowest.

Another weird but possible cause is temp. Between 3-6am it would be the coolest. Loose electrical connections dont like getting cold and shrinking.

Grit dog

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Posted: 06/30/21 11:04pm Link  |  Quote  |  Print  |  Notify Moderator

I’ve set off a CO detector with a fart before….
But your cat should see a vet if it’s happening every night.
Besides youd smell it. Cat farts are horrible! Doubt it’s the cat!


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perrodiablo

Grand Prairie, Texas

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Posted: 07/01/21 07:07am Link  |  Quote  |  Print  |  Notify Moderator

100% True. This detector has never sounded any other time. I thought about somehow doing a pressure test on the line like a plumber does for natural gas at a house. Pump it up and stick a gauge on it.

Sjm9911

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Posted: 07/01/21 08:20am Link  |  Quote  |  Print  |  Notify Moderator

Mine is a combo unit, it tells you why its in alarm. If yours is a newer unit it will do the same. So , look for the directions and listen to the sound of the alarm.


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Drew A.

Massachusetts

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Posted: 07/01/21 10:55am Link  |  Quote  |  Print  |  Notify Moderator

Ours used to do that too. Always in the middle of the night, even when plugged into shore power. Never did it in the driveway, plugged in at home, with the windows closed. Only did it when the windows were closed and running the AC with us asleep camping. Never with the windows open.

Ours was a combo unit so I bought a standalone CO detector with readout. That never showed above 0.

I blamed flatulence; of course it was the dog... [emoticon]

-Drew


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wopachop

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Posted: 07/01/21 01:46pm Link  |  Quote  |  Print  |  Notify Moderator

perrodiablo wrote:

100% True. This detector has never sounded any other time. I thought about somehow doing a pressure test on the line like a plumber does for natural gas at a house. Pump it up and stick a gauge on it.
Ok so 100% only between 3-6am.

Wonder if it has to do with air turbulence? Youre sleeping and most likely dont have many windows open. That is something that is different at 3am than at 3pm.

aftermath

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Posted: 07/01/21 04:46pm Link  |  Quote  |  Print  |  Notify Moderator

OK here is an off the wall possible solution. My trailer is 15 years old and maybe 8 or 9 years ago I was having the same issue. Battery was not the issue but I did check that. I read on a forum somewhere that it is important to "test" the detector each year. It even says to do that in the documentation that comes with the detector. The explanation I was given is that the test will dislodge any dust that might accumulate on the sensors.
I wasn't really sold by this explanation but did the test and, haven't had any more issues with mine. I do test it each spring as part of the de-winterizing ritual. Still am concerned about having to replace it, but I will when I have to. Give this a try.


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