5.7 End of life
The entire Alarm must be replaced if:-
(i) All Models:
• The unit is installed for over 10 years (check the “replace by” date marked on the
side of the unit).
(ii) All 10 Year Lithium Battery models only
• The Smoke Alarm is giving a short beep about every 40 seconds and the red light
flashes at the same time for longer than 1 hour. The Heat Alarm is giving a short
beep about every 40 seconds for longer than 1 hour.
• The Alarm fails to sound the horn loudly when the test button is pressed.
Before the Alarm is safely discarded, remove from the mounting plate. With the 9V
Replaceable Battery models disconnect the battery.
Do not put the Alarm into a fire.
The Alarm should be disposed in a safe and environmentally sound manner at your
local recycle centre. Contact your local authority for further advise.
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