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Di erent working modes and states are shown in the below table:
Mode LED Indicator Audible Alarm Remarks
Powering on Blinks 8 cycles
(red/green/yellow) in sequence.
1 quick beep. Make sure the alarm is
properly attached to the
mounting bracket.
Standby mode Flashes green once every
60 seconds.
None.
Alarm mode Flashes red 3 times every
1.5 seconds.
3 long beeps every
1.5 seconds.
Smoke alarm.
First 4 minutes: fl ashes red
4 times every 5.8 seconds.
After 4 minutes: fl ashes red
4 times every 60 seconds.
First 4 minutes: 4 quick
beeps every 5.8 seconds.
After 4 minutes: 4 quick
beeps every 60 seconds.
CO alarm.
Flashes green once every
second for 5 seconds.
None. Exiting an alarm: When the
smoke or CO concentration
drops below the alarm
threshold, the alarm signal
stops.
Test mode 2 sets of 3 red fl ashes followed
by 2 sets of 4 red fl ashes.
2 sets of 3 long beeps
followed by 2 sets of
4 quick beeps.
Silence mode Flashes red once every
5 seconds.
None. After 9 minutes, the unit
will exit silence mode.
Flashes green 3 times. None. Exiting silence mode.
Low battery Flashes yellow once every
60 seconds.
One beep every
60 seconds.
Fault Flashes yellow 1 or 2 times
every 40 seconds.
2 beeps every 40 seconds. Smoke malfunction mode.
Flashes yellow 3 or 4 times
every 40 seconds.
CO malfunction mode.
End of life Flashes yellow 2 times every 30
seconds.
2 beeps every 30 seconds.
Basic Safety Information
IMPORTANT!
1. DANGERS, WARNINGS, AND CAUTIONS ALERT YOU TO IMPORTANT OPERATING INSTRUCTIONS
OR TO POTENTIALLY HAZARDOUS SITUATIONS. PAY SPECIAL ATTENTION TO THESE SITUATIONS.
2. THIS COMBINATION SMOKE & CARBON MONOXIDE ALARM IS ONLY APPROVED FOR HOME USE.
3. THIS CARBON MONOXIDE ALARM IS DESIGNED TO DETECT CARBON MONOXIDE FROM ANY
SOURCE OF COMBUSTION.
4. CONSTANT EXPOSURES TO HIGH OR LOW HUMIDITY MAY REDUCE BATTERY LIFE.
5. SMOKE ALARMS ARE NOT TO BE USED WITH DETECTOR GUARDS UNLESS THE COMBINATION
HAS BEEN EVALUATED AND FOUND SUITABLE FOR THAT PURPOSE.
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