Kidde 21027152 Battery-Powered Combination Carbon Monoxide and Photoelectric Smoke Alarm with Hush

User Manual - Page 15

For 21027152.

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If the smoke is not too dense, after up to ten minutes the alarm will return to
normal operation.
NOTE: Dense smoke will override the SMART HUSH
TM
feature and
sound a continuous alarm.
CAUTION: Before using the alarm SMART HUSH
TM
feature, identify
the source of the smoke and be certain safe conditions exist.
8. BATTERY
NOTE: This alarm is powered by a sealed lithium battery system. No battery
installation or replacement is necessary for the life of the alarm.
IMPORTANT: Constant exposure to high or low humidity may reduce battery life.
WARNING! DO NOT ATTEMPT TO OPEN THE ALARM
FOR ANY REASON!
Do not try to repair the smoke alarm yourself. No serviceable parts included.
Low battery: This alarm is equipped with a low battery monitor circuit which
will cause the alarm to produce a single 'chirp' approximately every 60 seconds,
followed by the voice message "Low Battery", and the red LED to blink every
30 seconds. For the first 5 minutes of low battery, the voice message will occur
once every 60 seconds. After 5 minutes, the voice message will occur once
every 15 minutes. After 60 minutes of low battery, the voice message will no
longer occur but the alarm will continue to chirp every 60 seconds and blink
every 30 seconds for a minimum of seven (7) days.
THE UNIT MUST BE REPLACED WITHIN 7 DAYS OF THE FIRST OCCUR-
RENCE OF THE “LOW BATTERY WARNING” TO PROVIDE CONTINU-
OUS ALARM PROTECTION. THE UNIT MUST BE DISCHARGED (SEE
“PERMANENTLY DISABLE ALARM / DISCHARGE BATTERY” SECTION)
WHEN ALARM IS IN “LOW BATTERY” CONDITION.
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