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carbon monoxide buildup

 
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Jandera



Joined: 27 Jun 2022
Posts: 1
City/Region: Vancouver
State or Province: BC
C-Dory Year: 1987
C-Dory Model: 22 Cruiser
PostPosted: Wed Sep 06, 2023 2:57 pm    Post subject: carbon monoxide buildup Reply with quote

Hello,

Looking for some suggestions. My carbon monoxide detectors have been going off. But I'm not sure why. After a short day trip I would get back to the marina and turn off the engine. But the windows and doors would be open for quite some time as I'm packing up. The next day I arrive and my carbon monoxide detector is going off. Could it be my battery off gassing? Could it be my Wallace diesel heater? Everything is off. Any ideas?

Thanks.

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ssobol



Joined: 27 Oct 2012
Posts: 3360
City/Region: SW Michigan
State or Province: MI
C-Dory Year: 2008
C-Dory Model: 22 Cruiser
Vessel Name: SoBELLE
Photos: SoBelle
PostPosted: Wed Sep 06, 2023 3:49 pm    Post subject: Re: carbon monoxide buildup Reply with quote

Jandera wrote:
Hello,

Looking for some suggestions. My carbon monoxide detectors have been going off. But I'm not sure why. After a short day trip I would get back to the marina and turn off the engine. But the windows and doors would be open for quite some time as I'm packing up. The next day I arrive and my carbon monoxide detector is going off. Could it be my battery off gassing? Could it be my Wallace diesel heater? Everything is off. Any ideas?

Thanks.


My CO detector will go off if the supply voltage gets too low. Is there another boat running its engines or generator next to your boat?

There is also the end of life alarm.

Is your CO detector powered when "Everything is off."?

If you think that battery off gassing is the problem, then maybe your battery placement should be reviewed. Batteries should not be in a location where off gassing gases can collect. The CO detected should not detect H2 gas from the batteries.
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T.R. Bauer



Joined: 17 Nov 2007
Posts: 1726
City/Region: Wasilla
State or Province: AK
C-Dory Year: 1993
C-Dory Model: 22 Cruiser
Vessel Name: C-Whisperer
PostPosted: Wed Sep 06, 2023 5:45 pm    Post subject: Reply with quote

I have had other gasses make my CO2 detector sound the alarm bells. I know it technically should not do that, but it has. It seems simple enough and certainly cheap/free to just pull the battery to see if the condition stops...if possible. I wouldn't be surprised it's just time for a new CO2 detector.
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thataway



Joined: 02 Nov 2003
Posts: 20778
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
PostPosted: Wed Sep 06, 2023 11:40 pm    Post subject: Reply with quote

For the most part the detector circuit and materials are good for about 5 years. My guess is that is the end of life as noted above. Kiddie claims 7 to 10 years, with some exceptions. I change at 5 years to be safe.
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Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
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Home port: Pensacola FL
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