Smoke alarm 1
01 January 0001
There may be two reasons for a chirping or beeping smoke alarm.
1. Low battery
If the alarm starts beeping once every 40s, the backup battery needs replacing.
If you wish to replace the battery later, press the test/hush button to snooze for 10hrs.
2. False alarm
- If the smoke alarms go into alarm with no smoke present, firstly identify the unit which has triggered.
- While alarming, look for the smoke alarm with the flashing RED LED.
- If the alarms have stopped sounding before you could identify the alarm that triggered, look for the alarm which has the RED LED flashing once every 2 seconds. (it will do this for up to 72hrs)
- Vacuum this unit to clean dust or cobwebs. If later it still false alarms, call an electrician to check the alarm.
Still not sure?
Download our step-by-step flowchart (PDF 206KB)