green-foam

Open what?

If you have changed 3 batteries in 3 smoke alarms and all 3 have their green light constantly on and the red light flashes every 40 seconds (as it should) There is nothing wrong with the mains supply, so to call an electrician would be pointless 😗 (Note: There are no user serviceable parts other than the battery) The symptoms you describe are not unusual, and it is a simple solution. There is another detector close by that does indeed have a low battery, it may be on top of a cupboard or in a drawer or even in the loft, I my self have been on jobs where the customer has asked me to look, and every time there has been another alarm found (Some are still in their packaging "thrown to one side, and been forgotten") also don't forget carbon monoxide alarms have batteries too (Mine started beeping last night) A case such as yours was posted May 2023 (Top of this page) I would also suggest you check the model as the Ei141 is an ionisation alarm and is obsolete. It would help if you post your findings.

This red PVC cable, is it 3 core and earth that is used to power and interconnect the smoke alarms? If so, the question should be, are the smoke alarms suitable for the property. Red 3 core and earth is made by Doncaster cables to identify that the cable is not a 2 way switching cable (That is what grey 3 core and earth is used for) but it should only be used for interlinking smoke alarms.

To find which smoke alarm activated first look at each alarm in turn, the one with a flashing RED LED is the one that initiated the alarm. (I Would suggest that to be sure, even if you find the flashing LED you still look at all of your smoke alarms)

As I said last year, if you have tried all that I have mentioned, as there are no user serviceable parts, you have no option other than to change it. I would also suggest that you may want to change brands, but if you do this you will have to change ALL your smoke and or CO alarms, as you should not mix and match brands. If so, I would suggest you Click here

4 Beeps followed by a short pause then repeated means the alarm has detected Carbon Monoxide, for which you should be extremely careful and check all fuel burning appliances. If you suspect the device is activating when it shouldn't and you have another Carbon Monoxide alarm, if you are sure the 2nd alarm works correctly, you could place it adjacent the first alarm and observe what it does. Deta Carbon monoxide alarms have a 5 year warrantee, you may like to get in touch with Deta. (If you do, it would be appreciated if you let us know what they say.)

As the alarm stopped of its own accord, I would suspect it sensed something that is above its alarm threshold so it activated. If it did not stop then you may have cause for concern. As you took it outside and removed the battery (Presumably you put the battery back in a short while later and took the alarm back indoors) and it has not activated again, I would suggest you press the test button to make sure it still works. I would also suggest you check the age of the alarm itself (Some expire after 5 years, some after 7 years and some 10 years) as well as check the age of the battery (Some have a lifetime battery) If the alarm still works after you have pressed the test button, and the batteries have not expired, and the unit is within expiry date, you have experienced a "false alarm"

Each brand of smoke alarm has its own unique parts, so no, you can not use a "Brand G" smoke alarm on a "Brand K" base. If you read through this forum, Deta smoke alarms did seem to be more troublesome than most. 7 years for a smoke alarm is a bit short. I can only suggest that you change all of your smoke alarms, I would suggest the Aico Ei146e These have a sturdy base, and room to connect the existing cables (No connector block required) The cheapest I have found them is £31 inc delivery Click here

If you have smoke detectors in your thatched roof area, you could have them changed to heat detectors or rate of rise heat detectors. If you have smoke alarms in your thatched roof area, you could change them to heat detectors You should also inform your insurance company of what you are proposing and why. Anything covering/shielding any detector will impede its operation, and overtime may render it useless. (Said item gets clogged with dust, becoming impermeable.)

You said it is used, was it taken out because they could not clear the fault/cost too much to rectify. How did you acquire it? Have you not tried EMS?

All Aico smoke alarms use the "easy fit" base so yes you can just "swap them over" the wired interlink will also work, the only thing that will not work is the ability to monitor them on your mobile phone, for that you need the "smart link module" (one for each smoke alarm)

Sorry for the "late reply" (The way this forum works, all new posts are held for review and released on a Monday) The Deta 1151 is obsolete and has been for a number of years. As they have no user serviceable parts, I would suggest you change it, as you are changing one, you should change all of them. I recommend the Aico brand Click me as these have a baseplate with dedicated (colour coded) space for the cables, very easy to install, have been around for many years (with no change in baseplate, unlike some.)

Would you drive your car into a wall to give the seat belts "an extra level of testing" No?, then why waft something smouldering under a smoke alarm? So long as the alarms all sound when the test button is pressed, you need not do anything else to test them. I have heard of people doing as you did and causing fires and so the insurance refuses to pay out, stay safe and just use the test button like normal people. 🙂 Holding smouldering / burning anything under a smoke alarm is NOT the way to test it.

Nice input 🙂 however, it has fallen on deaf ears as the original poster asked way back in 2022, and has never been back, so I would hope has solved the problem by now. The two who asked later, neither have been back, so we will never know if they looked at any of the other devices. (As I suggested.) The moral of this is, always check the date a post was last active before you post.🫢 (Just saying, Fire Fence is just as guilty, made the one post, never to be seen again 😧 )

As the window is 7m (at least) from ground level, it is not designed to be used as a fire exit.

To disconnect any Aico heat or smoke alarm, you first isolate the mains, remove the detector from its base, then remove the base from the ceiling, then use wago connectors to isolate the cable (One wago block per core) If you have two cables, (One in, one out) be sure to connect like for like colours together so the remaining detectors will still work.) Then restore the mains. But I would have to ask why you want to remove a life safety device?

Hi Karen, has the device beeped again since you asked? if not, press the test button on the device, if it operates as it should, then you have no need to worry. 🙂

It may be a risk assessment was later carried out and the findings found an evacuation chair was required. You should ask the management company.

I would also suggest you look at the sides of the alarm to make sure it is an ei141, If you have an ei141 it should be replaced as it past its 10 year life span.

A smoke detector should never have been installed in a kitchen, so yes, change it to a heat detector. A smoke alarm should be reset by removing its battery, and pressing the silence button for 15 seconds, then put the battery back.

Ask the building inspector for hi reasons.

That is a legal question, this is a fire safety forum. Click Here

As they have recently installed it, call them and ask them to look at it. I would need to know the exact model number to be more specific, but even then, it is not a user serviceable part.

It's your private house, do as you wish. It is not a fire safety issue

It looks like its a "water gas" extinguisher The plunger at the top is struck piercing a small cylinder inside releasing carbon dioxide gas. If it does not weigh much (meaning it is empty) I would suggest you may want to undo the black part it unscrews to prove it is empty. I see no reason ebay should have removed the listing, unless it was something you mentioned, there is one just like yours (along with a CO2 extinguisher) listed for £70, though I often see them listed with high prices, they are not worth it, I would suggest you take it down the tip.