Quote:
Originally Posted by RobertWR
Replaced all our units. First I replaced the batteries in all units, silent for 3 days then started again.
5 beeps tells you the unit needs to be replaced. Found best price on Amazon. Same First Alert devices which was a simple replacement with out changing the base.
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To clarify, according to First Alert, 1 chirp indicates a low battery, 3 chirps indicates a malfunctioning unit, and 5 chirps indicates that the unit is at it's end of life. With either 3 or 5 chirps, you need to replace the unit.