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CAUTION!
Connect this unit ONLY to other compatible units.
See “How To Install and Interconnect This Smoke
Alarm” for details. Do not connect it to any other type
of alarm or auxiliary device. Connecting anything else
to this unit may damage it or prevent it from
operating properly.
CAUTION!
Do not stand too close to the unit when the alarm is
sounding. It is loud to wake you in an emergency.
Exposure to the horn at close range may harm your
hearing. When testing the unit, step back when the
horn starts sounding.
CAUTION!
Do not paint over the unit. Paint may clog the
openings to the sensing chamber and prevent the
unit from operating properly.
CAUTION!
The battery door will not close unless a battery is
installed. This warns you the unit will not operate
under DC power without a battery.
Understanding The Indicator Lights and Alarm Horn Patterns
Normal Operation Test Condition Alarm Condition*
(Initiating Unit)
AC Power Constant Green LED
Flashing Red LED
No Audible Alarm
Constant Green LED
Rapidly
Flashing Red LED
Audible Alarm
Constant Green LED
Rapidly Flashing Red LED
Audible Alarm
DC Power Green LED Off
Flashing Red LED
No Audible Alarm
Green LED Off
Rapidly
Flashing LED
Audible Alarm
Green LED Off
Rapidly Flashing LED
Audible Alarm
NOTE: When power is applied, unit(s) may alarm momentarily.
*When any smoke alarm in an interconnected series triggers an alarm, its red LED will flash rapidly. The red
LEDs will remain OFF on any remaining alarms in the series. This feature helps responders identify which
unit(s) triggered the alarm.