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disconnected, or if the battery’s power is low, a red LED flash will occur
once every 60 seconds, accompanied by an audible beep. If this
happens, the battery must be replaced. (For model KN-COP-IC with
digital display: “Lb” will be displayed alternately with the current CO
reading once every second).
IMPORTANT: Constant exposures to high or low humidity may reduce
battery life. A good safety measure is to replace the battery at least once
a year, or at the same time as you change your clocks for daylight saving
time.
End of Life Notification
Ten (10) years after unit is first powered, this alarm will “beep” two times
every 30 seconds and display "End"on digital models to indicate that it is
time to replace the alarm (see Alarm Removal section for instructions). By
pressing the Test/Reset button the audible notification will be silenced for up
to two days giving you time to replace the unit at a more convenient time.
The display will alternate between the the CO ppm reading and "End" to
remind you to replace the unit right away. This silence feature can only be
used for a two days before it will no longer function and the beep cannot
be silenced. The alarm will still monitor and alarm for CO during this period
but all other functionality will be lost.
Alarm Removal
If the tamper resist feature has been activated, refer to tamper resist feature
description in section 4 for removal instructions.
Remove the alarm from the mounting plate by rotating the alarm in the
direction of the “OFF” arrow on the cover. To disconnect the AC Quick-
Connector harness, squeeze the locking arms on the sides while pulling the
connector away from the bottom of the alarm
(see section 4).
After the alarm has been removed, you can
open the battery door and replace the battery.
Battery installation instructions are provided
on the inside of the battery door.
When installing the battery, orient the battery
as shown on unit label. Press the battery tab
down into the battery compartment and
install the battery.
CAUTION!: If the battery tab is not held down
in the battery compartment by the battery, the
battery door will not close, the AC Quick-
Connector will not attach to the alarm, and the
alarm will not attach to the mounting plate.
8. Maintenance
Battery Tab
Battery Replacement
820-1685B_10Y_V2:_ 2012.9.14 10:25 AM Page 21
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