How to Test your Smoke DetectorHome Maintenance Guides
Over time your smoke detectors' sensors may start to deteriorate even with fresh batteries or a good electrical connection. Regularly checking the sensors with a smoke detector tester will make sure your smoke detectors are working in an emergency.
|Tool's needed||Optional tools||Task Details|
|+ Smoke detector tester||+ Step ladder||Est time: less than 30 min|
|+ 9 volt batteries
||Cost: $11 per can of smoke detector spray
|People needed: 1|
Identify the location of all the smoke detectors in your house and make a plan for the order in which we'll test them. We want to make sure we don't accidentally forget to test one.
Stand up to four feet away from each smoke detector and spray the smoke detector for 3 seconds. If the smoke detector alarm sounds your smoke detector is working properly!
If the alarm doesn't sound and your smoke detectors are battery powered then change your smoke detector batteries and try spraying the smoke detector again for 3 seconds. If the smoke detector alarm sounds then your smoke detector is now working properly!
If you change your smoke detector batteries and the alarm still does not work, or if your smoke detectors are hard-wired to your electric power, then it is time to install new smoke detectors.
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