Pre-alarm warning – when the unit detects CO level 40 ppm or greater, the
Red LED will ash every 8 seconds until alarm.
Memory function - When a unit alarms due to CO or other reasons (not from
test button), the memory function will be activated in the unit that has detected
the CO and will be held for 12 hours. The indication of an alarm incidence
being stored in the memory function consists of a short beep every 8 seconds.
During this memory indication period, the normal operating and function of the
unit is not affected and the user can reset/deactivate the memory function by
pressing the test push button until an alarm sounds.
Self diagnostics – Automatically check the sensor every 8s to ensure of correct
operating of alarm.
Low battery warning – When the battery power deteriorated, the unit will
emit one beep with Yellow LED ash every minute to remind user to replace
battery.
Fault warning – If a fault is detected, the unit will emit 2 beeps with Yellow
LED ash every 8 seconds to indicate the sensor is fault or not working prop-
erly so CO alarm must be replaced.
End of alarm life warning – When the CO alarm comes to end of life, the unit
will emit 3 beeps with Yellow LED ash every minute. When this happen, the
CO alarm must be replaced.
Temporary delay warning signal – When the time to replace battery or end
of life CO alarm warning occurs, the user can push the testbutton to temporar-
ily disable low battery- or end of life- warnings for 12 hours to avoid beeing
unnecessarily bothered by the signal especially in the middle of night. This is
indicated by 3 ashes with Red LED. User may press test button to alarm again
to deactivate function and return to warning mode at any time.
CO ALARM SOUNDS
If you hear the CO alarm sound or suspect that there is a gas leakage, 1.
never ignore it.
Move to fresh air immediately. Outdoors or open all windows and doors 2.
to allow the CO to disperse.
Call the Fire department immediately outside your home or premises/3.
apartment.
Do a head count to check all persons are accounted for.4.
Do not re-enter the premises nor move away from the open door/windows 5.
until the emergency service responders have arrived, the premises have
been aired out, and your alarm remain in its normal condition.
