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04-27-2010, 11:31 AM
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#1
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Member
Join Date: Apr 2010
Posts: 46
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CO and Gas Detectors
Hello, we have just purchased a 2000 National Tradewinds 37 foot motorhome and didn't have it on the road for a hour when the CO2 and Gas Detectors started beeping. As far as we can tell (and we are very green at this), all the gas valves are turned off and we do not detect any smells. The lights flash green/red (are there batteries in these units that need replacing or ?????). It is annoying to say the least and cannot find any info in the manuals. Does anyone out there have an idea. Thank you.
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04-27-2010, 11:49 AM
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#2
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Senior Member
Join Date: Mar 2009
Location: N. Central AZ
Posts: 548
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What is the condition of the house batteries? When I bought my '01 new the house batteries were very low, and one of the alarms went off for that reason. It had been on the lot for a while, the dealer replaced the batteries.
Harold
__________________
'01 National RV Tropi-Cal, Ford V10, '01 Suzuki GV 4X4 Blue Ox Tow Bar,300 Watts Solar, 2500 Watt '458' Inverter, NO TVs, Most light fixtures upgraded to LEDs
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04-27-2010, 11:42 PM
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#3
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Senior Member
Workhorse Chassis Owner
Join Date: May 2005
Posts: 672
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I second that on the battery condition. I know it sounds crazy, but a battery with a dead cell causing the water to boil will give off a gas that the gas detector will react to. I had that problem about a year ago. I keep my motohome connedt to shore power and the water in two of my four house batteries was boiling because of dead cells and the alarm kept going off. I disconnected the two bad batteries and the alarms stopped going off. I have since replace all four batteries and have had no alarm problems since.
__________________
Fred Kennerson
2003 Dolphin L/X 6320
Yucaipa, Ca
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04-28-2010, 09:29 AM
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#4
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Member
Join Date: Apr 2010
Posts: 46
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CO2 and Gas Detectors
Quote:
Originally Posted by hdossett
What is the condition of the house batteries? When I bought my '01 new the house batteries were very low, and one of the alarms went off for that reason. It had been on the lot for a while, the dealer replaced the batteries.
Harold
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Thank you very much. We had 2 responses and both suspect the batteries. The seller did tell us that he thought we might have to replace the batteries in a year or sooner - so we will have to look at that option. Thanks again for your input.
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04-28-2010, 09:49 AM
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#5
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Senior Member
Join Date: Dec 2007
Location: Parker, CO
Posts: 1,056
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If those are the original detectors, you might want to consider replacements. I have read that they have upper life limits like 5-7 years. Check it out. Also, I hope that one detector is sniffing for CO and not CO2.
__________________
2017 Coachmen Orion, Ford Transit 3.7L: previous
'09 Pleasure Way Lexor, '05 NRV Dolphin 5342
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04-28-2010, 12:41 PM
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#6
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Senior Member
National RV Owners Club Freightliner Owners Club
Join Date: Oct 2009
Posts: 1,875
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Quote:
Originally Posted by rkscott
Thank you very much. We had 2 responses and both suspect the batteries. The seller did tell us that he thought we might have to replace the batteries in a year or sooner - so we will have to look at that option. Thanks again for your input.
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I think the seller really meant "sooner"-like right away. 
__________________
2001 National Tradewinds 7370 300 Cat
2011 Jeep Wrangler Unlimited Sport
Officially fulltiming. The Journey Begins 
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04-29-2010, 06:04 AM
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#7
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Member
Join Date: Apr 2010
Posts: 46
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Quote:
Originally Posted by two2go
If those are the original detectors, you might want to consider replacements. I have read that they have upper life limits like 5-7 years. Check it out. Also, I hope that one detector is sniffing for CO and not CO2.
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Ha, ha - I did mean CO - little typo - thank you for the input - at least now we know where to start.
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04-30-2010, 09:52 PM
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#8
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Registered User
National RV Owners Club
Join Date: Aug 2007
Location: Payson, AZ
Posts: 33
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The house batteries are the cause. I just had mine go off and discovered that 2 of the batteries had gone bad and the other two were approaching the grave as well. Replaced all four at a cost of $707.00. Last year it was the chassis batteries and two breakers for $600.00. This is a 2007 TropiCal. Hope that is all for a while. Once the four were replaced the noise stopped. Jim
__________________
'07 National RV Tropi-Cal, Freightliner XCS
Cummings ISB Turbo 300, Allison MH2500
Amateur Radio: KG6BAW
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