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01-04-2023, 07:33 AM
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#1
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Established Member
Join Date: Dec 2021
Location: Iowa City
Posts: 30
M.O.C. #30242
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weird
so i still struggle with my CO detectors.
my Monty is in an well insulated heated building.
this building addition the RV is in has no heating devices in it.
it is passively conditioned being attached to the big shop which has natural gas radiant heaters.
it is plugged in to shore power.
there are no devices running other than the fridge.
my rear compartment (12v) continues to alarm.
i put a fan in front of it and it seemed to keep it from alarming.
but,,,
now the forward compartment 9v alarm is chirping.
i guess i will go get a CO monitor and see what it does in the Big shop.
any suggestions?
my dog will go apecrazy if he is in there and the alarms go off....
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01-04-2023, 08:56 AM
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#2
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Montana Master
Join Date: Jan 2022
Location: Shingle Springs
Posts: 2,265
M.O.C. #30417
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Quote:
Originally Posted by Turd Furgeson
so i still struggle with my CO detectors.
my Monty is in an well insulated heated building.
this building addition the RV is in has no heating devices in it.
it is passively conditioned being attached to the big shop which has natural gas radiant heaters.
it is plugged in to shore power.
there are no devices running other than the fridge.
my rear compartment (12v) continues to alarm.
i put a fan in front of it and it seemed to keep it from alarming.
but,,,
now the forward compartment 9v alarm is chirping.
i guess i will go get a CO monitor and see what it does in the Big shop.
any suggestions?
my dog will go apecrazy if he is in there and the alarms go off....
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Can I suggest that you add you trailer information in your profile/signature so we know what unit you're talking about?
If you're plugged into power I would have to suspect low batteries. From Google
Usually, the most common reason for an RV carbon monoxide detector to keep going off is because it has drained or low-power batteries. This can be recognized by a beep signal every 15 to 30 seconds.
I can't imagine what would cause CO if everything is off.
__________________
Tony & Donna
2022 Montana HC, 295RL, Solar Flex 400, Onan 3600 LPG, 2K inverter, 200AH Lithium. 2020 GMC Denali 2500 6.6 Duramax, Demco 21K Auto Slide
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01-04-2023, 09:32 AM
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#3
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Montana Master
Join Date: Oct 2018
Location: Anderson
Posts: 2,615
M.O.C. #22835
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I heard dog farts can set them off?
__________________
History is not about the past, it's an explanation of the present.
2019 Montana High Country 375FL
2014 Chevy Silverado Duramax, 6.6L Dually
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01-04-2023, 12:03 PM
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#4
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Established Member
Join Date: Dec 2021
Location: Iowa City
Posts: 30
M.O.C. #30242
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3132rl,,,on shore power...12.4 at the battery.
the 9v battery was installed 9-22.
like you i cant imagine either, hence my post.
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01-04-2023, 12:04 PM
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#5
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Established Member
Join Date: Dec 2021
Location: Iowa City
Posts: 30
M.O.C. #30242
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in storage, no dog in there right now.
and i sure didnt break any wind,,,hmmm sbd?
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01-04-2023, 01:08 PM
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#6
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Montana Fan
Join Date: Mar 2021
Location: Western NY
Posts: 497
M.O.C. #28430
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If plugged in to shore power, batteries should be more than 12.4. That is only 80%.
Outside chance you may have a bad battery or two. I am familiar with off-gassing of bad batteries causing CO detectors to sound in cruising size boats.
You should be able to google that. Never heard of it happening in an RV, but I’m sure it could. Just a thought, Good luck.
__________________
Mark & Karen
2021 3121rl - slide toppers, cottage white, TST 507 TPMS, X-Factors, disc brakes
2021 F-350, 6.7L, SRW CC LB - B&W Companion, Bakflip cover
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01-04-2023, 01:45 PM
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#7
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,714
M.O.C. #24086
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Any chance the detectors are over 5 years old?
They chirp for low battery and old age.
They are supposedly only good for 5 years. Their may be a date code stamped on the back.
__________________
Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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01-04-2023, 03:29 PM
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#8
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,712
M.O.C. #12947
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You might want to check the natural gas radiant heaters for possible CO which could be the cause of the CO detector alarming.
__________________
Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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01-04-2023, 07:38 PM
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#9
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Montana Fan
Join Date: Jun 2019
Location: new river
Posts: 416
M.O.C. #24181
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i also use one of these portable detectors in my montana got one for each of my sons who have rv also for christmas small price to pay for the security
https://www.amazon.com/First-Alert-M...s%2C853&sr=8-6
__________________
al meyer
3931fb
az
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01-04-2023, 07:42 PM
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#10
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Montana Master
Join Date: Jan 2022
Location: Shingle Springs
Posts: 2,265
M.O.C. #30417
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You say they run on 9 volt batteries? I would toss um in the garbage and replace with another brand.
And Dutch, we've already been down the fart road
__________________
Tony & Donna
2022 Montana HC, 295RL, Solar Flex 400, Onan 3600 LPG, 2K inverter, 200AH Lithium. 2020 GMC Denali 2500 6.6 Duramax, Demco 21K Auto Slide
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01-06-2023, 08:35 AM
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#11
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Established Member
Join Date: Dec 2021
Location: Iowa City
Posts: 30
M.O.C. #30242
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the rear compartment is 12v
the forward is 9v.
this is how it came from factory
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01-06-2023, 08:37 AM
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#12
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Established Member
Join Date: Dec 2021
Location: Iowa City
Posts: 30
M.O.C. #30242
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thanks mark
my post was in error..13.3v on shore this am
how would i check the batterys for this malady?
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01-06-2023, 08:48 AM
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#13
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Montana Master
Join Date: Jan 2022
Location: Shingle Springs
Posts: 2,265
M.O.C. #30417
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Quote:
Originally Posted by Turd Furgeson
the rear compartment is 12v
the forward is 9v.
this is how it came from factory
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Sorry apparently I didn't fully read your post. If both including the 12 volt hard wired co detector is tripping while in storage and not being used I would be concerned. I would remove the LPG tanks and shut off everything. For both a 9 volt battery operated and a 12 volt hard wired co detector to trip either both batteries are low, both units are faulty or there is the presence of co.
__________________
Tony & Donna
2022 Montana HC, 295RL, Solar Flex 400, Onan 3600 LPG, 2K inverter, 200AH Lithium. 2020 GMC Denali 2500 6.6 Duramax, Demco 21K Auto Slide
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01-06-2023, 09:13 AM
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#14
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Montana Fan
Join Date: Nov 2018
Location: Charleston
Posts: 456
M.O.C. #23094
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Reads to me like you absolutely have the presence of CO.
One detector alarming until you put a fan in front of it blowing the air away?
Then a different detector alarming now that you have the fan blowing the air toward it?
__________________
2019 Montana HC 310RE
2010 Wildcat 29RLBS
2014 Ford F-350 Lariat 6.7
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01-06-2023, 12:58 PM
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#15
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Established Member
Join Date: Dec 2021
Location: Iowa City
Posts: 30
M.O.C. #30242
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google search :
It was determined that lead batteries do not emit carbon monoxide. They do, however, emit hydrogen. It was also noted that carbon monoxide detectors will activate when exposed to high amounts of hydrogen. Hydrogen gas like carbon monoxide is a colorless and odorless gas.
Can a charging battery set off a carbon monoxide alarm?
Many carbon monoxide alarms and sensors encounter cross-interfering gases that cause “false positives” or false alarms. The presence of hydrogen can generate false alarms for many carbon monoxide alarms or false/positive measurement readings on some combustion analyzer test instruments.
so now down the "is hydrogen gas harmful" rabbit hole
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01-06-2023, 03:41 PM
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#16
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,566
M.O.C. #2283
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I have a CO detector with a digital read out. So it you have CO prevent you know exactly how much. I found it on Amazon where you find everything else.
Lynwood
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01-06-2023, 05:40 PM
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#17
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Montana Master
Join Date: Jan 2022
Location: Shingle Springs
Posts: 2,265
M.O.C. #30417
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Quote:
Originally Posted by Turd Furgeson
google search :
It was determined that lead batteries do not emit carbon monoxide. They do, however, emit hydrogen. It was also noted that carbon monoxide detectors will activate when exposed to high amounts of hydrogen. Hydrogen gas like carbon monoxide is a colorless and odorless gas.
Can a charging battery set off a carbon monoxide alarm?
Many carbon monoxide alarms and sensors encounter cross-interfering gases that cause “false positives” or false alarms. The presence of hydrogen can generate false alarms for many carbon monoxide alarms or false/positive measurement readings on some combustion analyzer test instruments.
so now down the "is hydrogen gas harmful" rabbit hole
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I was going to mention that as it crossed my mind. If your batteries are off gassing that much they may be overcharging. And they should be in an enclosed vented box. You have a smart charger that shouldn't be boiling the batteries.
__________________
Tony & Donna
2022 Montana HC, 295RL, Solar Flex 400, Onan 3600 LPG, 2K inverter, 200AH Lithium. 2020 GMC Denali 2500 6.6 Duramax, Demco 21K Auto Slide
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01-08-2023, 02:03 PM
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#18
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Montana Master
Join Date: Jan 2016
Location: STAYTON
Posts: 1,118
M.O.C. #18157
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Battery vapors, swiffer wet jet fluid, new vinyl smell, just about anything will set them off. They only take so many hits then they're done. My Dealership killed mine warming up a new awning fabric.
Mark
__________________
“Hard times create strong men, strong men create good times, good times create weak men, and weak men create hard times.”
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