What The Lights And Alarm Tones Mean - First Alert MODEL FCD3N User Manual

WHAT THE LIGHTS AND ALARM TONES MEAN

WELCOME CHIRP.
BATTERY SERVICE
Horn chirps and battery light
blinks green once when battery
is first connected.
ALARM RECEIVING
BATTERY POWER
BATTERY SERVICE
BATTERY light flashes GREEN
twice a minute. Horn is silent.
LOW BATTERY WARNING.
BATTERY SERVICE
The BATTERY light turns
YELLOW. It flashes and the
horn "chirps" twice a minute.
This warning should last for up
to 30 days, but you should
replace the battery as soon as
possible. See Chapter 4 for
details.
4
DURING TESTING -
GOOD BATTERY
ALARM
BATTERY
When you press the Test/
Silence button, all three lights
will flash briefly, and the horn
will sound.
If the battery is GOOD,
the BATTERY light flashes
ALARM
GREEN.
DURING TESTING -
LOW/WEAK BATTERY
BATTERY
ALARM
When you press the Test/
Silence button, all three lights
will flash briefly, but the horn
may stay silent.
If the battery is WEAK, the
BATTERY light flashes
YELLOW.
IMPORTANT!
battery immediately!
SERVICE ALARM
SERVICE ALARM
Replace a weak
CO ALARM
REQUIRES SERVICE
BATTERY SERVICE ALARM
The SERVICE light flashes
YELLOW and the horn "chirps"
three times every 30 seconds.
CO Alarm needs to be serviced
or replaced. See Chapter 4 for
details.
CO ALARM IS IN ALARM.
BATTERY SERVICE ALARM
Sensor has detected enough
CO to trigger an alarm. ALARM
light flashes RED rapidly and
horn sounds loudly. See
Chapter 3 for details on how
to respond to an alarm.
"ALARM-MOVE
TO FRESH AIR"
During an alarm, move
everyone to a source of fresh
air. Do NOT move the CO
Alarm!