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8
To Lock The Battery Compartment
IMPORTANT!
Do not lock the battery compartment until you have
activated the battery and tested the battery back-up.
1. Activate the battery
back-up by removing
the “Pull to Activate
Battery Back-Up” tab.
2. Push and hold test
button until the alarm
sounds: 3 beeps,
pause, 3 beeps, pause.
If the unit does not alarm during testing, DO NOT
lock the battery compartment! Install a new battery
and test again. If the smoke alarm still does not
alarm, replace it immediately.
3. Using needle-nose pliers
or a utility knife, detach
one locking pin from the
mounting bracket.
4. Push the locking pin
through the black dot on the label on the back of
the smoke alarm.
To Un-Lock The Battery Compartment
IMPORTANT!
Once the smoke alarm is installed, you must
disconnect it from the AC power before unlocking the
battery compartment.
DANGER!
ELECTRICAL SHOCK HAZARD. Turn off the power to
the area where the smoke alarm is installed before
removing it from the mounting bracket. Failure to
turn off the power first may result in serious
electrical shock, injury or death.
WARNING!
Always discharge the branch circuit before servicing
an AC or AC/DC smoke alarm. First, turn off the AC
power at the circuit breaker or fuse box. Next, remove
the battery from smoke alarms with battery back-up.
Finally, press and hold the test button for 5-10
seconds to discharge the branch circuit.
1. Remove the smoke alarm from the mounting
bracket. If the unit is locked to the bracket, see
the section “To deactivate the locking feature.”
2. Disconnect the power connector by gently prying
it away from the back of the smoke alarm.
3. Insert a flathead
screwdriver under
the head of the
locking pin, and
gently pry it out of
the battery
compartment lock.
(If you plan to relock
the battery
compartment, save
the locking pin.)