1. Disassemble the CO detector
2. Insert the battery
3. Reassemble and mount the CO detector on the wall
5. Mount the transmitter next to the CO detector
4. Remove the battery pull tab and the protective film
T e
s t & H us
h
Alarm Fault Power
CARBON
MONOXIDE
ALARM
Low battery indication
BE1411 Door transmitter:
The status LED blinks in
orange once per minute.
CN1231 CO detector:
The yellow Fault LED blinks
and the detector beeps once
per minute.
i
