12
Digital
Screen
LED
Sound emi2ed
What this means
Required ac1on
Green flash every
30 seconds
None
Normal opera1on.
(LCD will not show levels <
30ppm)
None
Red LED flashes
Full alarm
4 beeps - pause - 4
beeps (repea1ng)
Dangerous levels of CO has been
detected
Follow emergency procedures (see
Page 15)
Red LED flashes
1 beep, then
2 sets of 4 beeps,
followed by 1 beep
Successful test or reset sequence
in opera1on
None - this is part of the standard test
or reset procedure
Red LED flashes
every 60 seconds
Chirp every
60 seconds
Low ba2eries (Lb)
Change ba2eries
Red LED flashes
Chirp every
30 seconds
Fault
Replace the alarm
Red LED on
Constant tone
Malfunc1on
Replace the alarm
Red LED flashes
twice
Chirps twice every
30 seconds
End of Life
Replace the alarm
6.Using Your Alarm (for Digital unit only, 5DCO)
Addi1onal features for the CO alarm with the digital display screen, model 5DCO;
2532-7202-10_5CO_ASH:_ 2018.10.26 5:43 PM Page 12
