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Guest PaulKeeg

How to replace battery in Kidde Firex smoke alarms?

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Guest PaulKeeg

Morning

Our smoke alarm started bleeping last night and kept the dog awake! When i checked this morning i could not change the battery. Its connected to mains and its a kidde firex. Anybody can help?

Paul

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hi Paul, you are lucky we are in the office :)

There is a range of simple videos to see how the Kidde Firex smoke alarms can be taken of the wall and how the battery is changed.

How to replace the backup battery in a Kidde 4973 optical smoke alarm

Replacing the backup battery in a Kidde ionisation smoke alarm 4870

How to replace the backup battery in a Kidde 4899 heat alarm

I hope this helps

Harry

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Guest Mike

Wont be buying alarms like this taking the wires off is nearly impossible no need to make this so complicated 

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Guest Annie

My alarm started beeping. I changed the battery according to your video and it is still beeping. What next?

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Hi Annie

I suggest two steps:

1) check the replacement date for the alarm. All mains powered smoke alarms should be replaced after ten years as they can become erratic.

2) make sure there is not a carbon monoxide alarm nearby that has a low charge battery and therefore beeps. These beeps can be very deceiving. To find out, take your Kidde alarm off the ceiling, remove the battery, press the hush button to drain any charge left and listen out for a few minutes.

If this leads to nothing, you will have to replace your alarm. Here a list of Kidde replacement smoke alarms

Harry

 

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Guest David

Hi

I have been in a New build for just over two years and have a Kidde 4MCO alarm.  It was installed in late 2016 and has just started beeping every 60 seconds.  From what I am reading it sounds as if the battery is at end of life, but isn't replaceable.  Is that correct and, if so, should it be covered under the warranty?

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