Several things could be causing your alarm(s) to alarm briefly or chirp randomly without a regular pattern. Here are some reasons why this could be happening, and how to stop your smoke alarm from beeping. Show
Loose, or Improperly Installed BatteryRefer to the following checklist and determine if one of these conditions might be the cause of your problem:
Environmental ConditionsRefer to the following environmental conditions for possible solutions to an alarm’s random chirping:
Causes of condensation are:
If this condition exists, you should move the alarm. View the correct alarm placement in your user's manual. Resetting the AlarmSome smoke alarms have a processor that retains certain error conditions, such as a weak battery. The error condition should reset when the battery is replaced, but sometimes it doesn't and must be manually reset to clear the error. To reset an AC unit with a battery backup, perform the following steps:
To reset a DC only unit, perform the following steps:
Electrical ConditionIf the AC power to the unit is interrupted, the unit will chirp when the power is restored. This could be caused by power surges. Refer to the following for specific causes related to an electrical condition:
If this is the case and the device is plugged into a wall outlet, move it to another outlet on a different circuit. If it is a hardwired device, have an electrician investigate it. These conditions can be minimized by installing your alarms on a dedicated circuit in compliance with NFPA requirements. Alarm Needs to be ReplacedIf none of these conditions exist and the suggestions don't alleviate the symptom, the alarm should be replaced, since age may be a factor. Smoke and heat alarms should be replaced every 10 years, and carbon monoxide and combination alarms should be replaced every 7 years. Most of our alarms have a 5 year warranty from date of purchase (check your user manual). A date code is stamped on the label attached to the back of the unit. If the unit is out of warranty, purchase a replacement product immediately. If the unit is within warranty, please call Product Support at 1-800-880-6788. For more information about your specific alarm, refer to your user’s manual. Back to Support CenterHow do you stop a hardwired smoke detector from beeping?Resetting the Alarm. Turn off the power to the smoke alarm at the circuit breaker.. Remove the smoke alarm from the mounting bracket and disconnect the power.. Remove the battery.. Press and hold the test button for at least 15 seconds. ... . Reconnect the power and reinstall the battery.. Why is my hardwired smoke alarm beeping every 30 seconds?Consistent Chirping
The battery may need to be replaced. An alarm will chirp every 30 to 60 seconds for a minimum of seven days. With a "low battery" announcement, disconnect the unit and replace the batteries.
Will taking the battery out of a hardOnce you have the smoke detector down from the ceiling, remove the battery if its still attached, and hold down the test button on the top of the smoke alarm for about 15 to 20 seconds. Any residual smoke detector beeping will drain from the electronic capacitors and circuitry within the smoke alarm.
Why is my hardThis battery characteristic can cause a smoke alarm to enter the low battery chirp mode when air temperatures drop. Most homes are the coolest between 2 a.m. and 6 a.m. That's why the alarm may sound a low-battery chirp in the middle of the night, and then stop when the home warms up a few degrees.
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