13
Digital Screen
LED Sound emied What this means Required acon
Green flash every
30 seconds
None Normal operaon.
(LCD will not show levels <
30ppm)
None
Red LED flashes Full alarm
4 beeps - pause - 4
beeps (repeang)
Dangerous levels of CO has been
detected
Follow emergency procedures (see
Page 16)
Red LED flashes 1 beep, then
2 sets of 4 beeps,
followed by 1 beep
Successful test or reset sequence
in operaon
None - this is part of the standard test
or reset procedure
Red LED flashes
every 60 seconds
Chirp every
60 seconds
Low baeries (Lb) Change baeries
Red LED flashes Chirp every
30 seconds
Fault Replace the alarm
Red LED on Constant tone Malfuncon Replace the alarm
Red LED flashes
twice
Chirps twice every
30seconds
End of Life Replace the alarm
6. Using Your Alarm (for Digital unit only, 7DCO)
Addional features for the CO alarm with the digital display screen, model 7DCO;