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Old 09-04-2015, 08:28 AM   #1
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LP alarm

Have 04 tiffin allegro motor home. The bedroom LP alarm mounted on the bed has gone off 2 times in the past 7 days, but the LP tank valved is close off and the motor home is closed up for now and bedroom slide is in. So what could be causing the alarm? Driving me nuts as I can't fine anything wrong and it has the wife worried. Any help for be nice. Thanks

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Old 09-04-2015, 08:33 AM   #2
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Needs a new battery?
LP detectors have a life span of maybe 5 years plus.
I had to replace ours in the moho.

2013 FleetWood Expedition 38B

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Old 09-04-2015, 08:44 AM   #3
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LP detectors and smoke detectors will get dirty. If removable take out and blow compressed air into all openings. I did this 3 days ago to my smoke alarm that was sounding off. Not a peep since then. Cheap fix, give it a try.
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Old 09-04-2015, 08:47 AM   #4
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Other things will set them off: hairspray, battery fumes, methane gas (farts), etc.
And as dvmweb stated they are supposed to be replaced periodically. Take it out and look on the back where you'll find the expiration date.
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Old 09-04-2015, 09:38 AM   #5
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I had a leaking LP regulator on the tank underneath the coach that would set my detector off. I replaced the regulator and NO MORE beeping. I did read that LP & CO2 detectors have a 10 year life. I replaced both of mine.

I was spraying some contact cement yesterday and set off the detector.
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Old 09-04-2015, 10:38 AM   #6
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If it were me, I would replace it (you can get them in CW or on-line) and see if the new one behaves in the same way. That would mean that the probability of an LP leak is more likely. If it does, get a professional out to check your LP system with out delay. Good luck.
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Old 09-04-2015, 12:11 PM   #7
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I may be wrong but I think this is the most common one.
As indicated on the front of the device, it's lifespan is 84 months.

LP Gas Detectors - Atwood Mobile

P/S, mine is hardwired into 12V. When I'm parked in my garage, I turn off the Propane Tank and turn off the switch that supplies power to the alarm.

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Said so long to our DSDP. Coming Soon, 2019 Unity LTV CB - 2013 Honda CRV, BlueOx Baseplate, Aventa Bar & Patriot Brake. And the 04 Bird
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