
13
Digital
Screen
Digital
Screen
LED
Sound
emi0ed
What this means
Required ac/on
Dot flashes
every 5
second
Green flash every
30 seconds
None
Normal opera/on.
(LCD will not show
levels < 30ppm)
None
Displays up
to 999
Red LED flashes
Full alarm
Dangerous levels of CO
has been detected
Follow emergency
procedures (see Page 7)
Shows 3
dashes,
then 888
Red LED flashes
Green and Amber
LED on
1 beep, then 2
sets of 4 beeps,
followed by 1
beep
Successful test or reset
sequence in opera/on
None
Amber LED flashes
every second
Chirp every 60
seconds
Low ba0eries (Lb)
If cold allow unit to warm up
for a couple hours then
replace if s/ll beeping
Amber LED flashes
every second and green
flashes error code
every other 30 seconds
Chirp every 30
seconds
Fault
Replace the alarm
Constant tone Malfunc/on
Replace the alarm
Two chirps and two red
LED flashes every 30
seconds.Amber LED
flashing every second.
Chirps twice
every 30
seconds
End of Life
Replace the alarm
7. Using Your Alarm (for Digital unit only, 10LLDCO)
Addi/onal features for the CO alarm with the digital display screen, model 10LLDCO;
2539-7201-05_10LLCO_10LLDCO_V1:_ 2016.11.2 9:06 AM Page 13