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Step 1: Installing Batteries
Batteries were not installed at the factory and must
be installed for the unit to operate! Install the three (3)
AA batteries in the back of the Smoke/CO Alarm.
• The mounting plate must be removed from the back of
the unit to install batteries. To remove, hold the
mounting plate and twist counterclockwise (left).
• The battery polarity markings
on the bottom of the battery
compartment must be adhered to.
• Batteries must be installed in the sequence shown. If
batteries seem difficult to install, they’re not being
installed in the proper sequence.
• Smoke/CO Alarm will not engage to bracket unless
all three batteries are installed. Removal of any or all
batteries will render the Smoke/CO Alarm inoperative!
• After the batteries are correctly installed the unit
will beep once and the red LED light will flash.
After 20-30 seconds the green LED light will flash
indicating the unit is now operational.
CAUTION: Your Smoke/CO Alarm is sealed and the
cover is NOT removable!
Operating and Installation Instructions
8
Batteries Must Be Installed in Order Shown Below:
Install
First
Install
Second
Install
Last
3
2
1
INSTALL
THIRD
INSTALL
SECOND
INSTALL
FIRST
WARNING:
BATTERIES
HAVE BEEN
REMOVED
AA Battery
AA
AA
Battery
Battery
3
2
1
1
2
3