Carbon monoxide alarm and caravan battery

Diane Frances replied on 11/02/2023 08:37

Posted on 11/02/2023 08:37

Our CM alarm goes off just in the van we have just bought Coachman (18 months old) but we have replaced the alarm with a new one assuming faulty and it is is going off again despite nothing that could set it off….

I have seen online that leisure battery issues can cause this ?

Anyone have experience of this ?

nelliethehooker replied on 11/02/2023 20:49

Posted on 11/02/2023 16:08 by cyberyacht

Mine is forever chirping at me to say it needs a new battery which never seem to last five minutes. Connecting to the 12v circuit would be nice instead of forever buying new Duracells.

Posted on 11/02/2023 20:49

But couldn't that present a problem? As the monitor will have a drain on LV's leisure battery, which it not regularly charged, e.g. when the unit is in storage over the winter, could result it not having sufficient power for the alarm?

cyberyacht replied on 13/02/2023 08:58

Posted on 13/02/2023 08:58

It'll take a long time for a CO alarm to drain a leisure battery, I would think. Solar keeps mine topped up. Would it matter if unoccupied anyway? I've taken to removing the CO alarm battery when not using the van.

peedee replied on 13/02/2023 09:44

Posted on 13/02/2023 09:44

Does anyone know what the difference is between the CO2 specifically designed for use in boats and caravans and others? I have just bought a replacement alarm for my motorhome only to find a note in the manual that says:

"This alarm has not been tested specifically for use in caravans and boats.Only alarms certified to EN50291-2 are fully approved for this purpose"

peedee

Cornersteady replied on 13/02/2023 09:53

Posted on 13/02/2023 09:44 by peedee

Does anyone know what the difference is between the CO2 specifically designed for use in boats and caravans and others? I have just bought a replacement alarm for my motorhome only to find a note in the manual that says:

"This alarm has not been tested specifically for use in caravans and boats.Only alarms certified to EN50291-2 are fully approved for this purpose"

peedee

Posted on 13/02/2023 09:53

Not sure PD but I do recall from somewhere that in a caravan/MH, CO2 being heavier than air means that it will 'escape' downwards through the vents in the floor while boats obviously do not have these holes and the gas, or any such gas even,  can accumulate. Might have something to do with this?

peedee replied on 13/02/2023 10:28

Posted on 13/02/2023 10:28

 I was not aware there were two standards and I am sure many others aren't either? So far, as best as I can ascertain, it is to do with additional testing required so that the alarm can withstand a mobile environment, i.e. motion and vibration and still perform reliably?

peedee

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