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RESET: Pushing the button during CO alarm allows the unit to reset calculations and double
check for the presence of CO. If the unit re-alarms within 6 minutes, it is sensing high levels of
CO which can quickly become a dangerous situation. Move to fresh air and call 911.
WARNING: IT IS IMPOSSIBLE TO DETERMINE THE SOURCE OF A CO ALARM USING SIGHT
OR SMELL. ALWAYS CONSIDER A CO ALARM EVENT AS DANGEROUS.
12. Battery Backup
NOTE: This alarm is powered with AC power, but also contains a sealed lithium battery backup
system. No battery installation or replacement is necessary for the life of the alarm.
IMPORTANT: AC power must be connected to obtain the full 10 year battery and unit life.
Constant exposure to high or low humidity or temperatures may reduce battery life.
WARNING: NO SERVICEABLE PARTS INCLUDED. DO NOT ATTEMPT TO OPEN THE
ALARM FOR ANY REASON! DO NOT TRY TO REPAIR THE ALARM YOURSELF.
LOW BATTERY
This alarm is equipped with a low battery monitor circuit. If the battery capacity can no longer
provide adequate power for all alarm functions, the low battery condition will occur. See
Troubleshooting Guide. The unit must be replaced within 7 days of the first occurrence of the
“Low Battery Warning” to provide continuous alarm protection.
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