Smart smoke detector from Nest Labs, the creator of the Nest Learning Thermostat.

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Why does the smoke alarm go off for no reason.

The smoke alarm goes off for nothing. It's summer here, all the doors are open, not a wisp of smoke around, yet it goes off several times a night. My question is can I take this apart and clean the sensor? The unit is a few years old, and we heat with wood so I'm wondering if there's a buildup on the sensor that can be removed. Thanks in advance.

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Thanks for the answer.

Checking the batteries was the first thing I did and they all tested good. Right at the top of the scale good, but. I might try putting in a fresh set just in case.

Thanks again.

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Change the battery. A low battery will trigger it.

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Robin Wilkinson will be eternally grateful.
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