1.3 INFORMATION INDICATION AND POWER-UP
1.3.1 Information indication
1.3.1.1 Information indication table
Information
Status
Function
Power-up prompt
The Power indicator,
Fault indicator and Alarm
indicator will flash at the
same time, and the
buzzer beeps at the same
time.
It indicates that the power supply is
normally connected. The indicator
light is on and the buzzer can sound
normally, indicating that the indicator
lights and buzzer are working
normally, otherwise
there is a fault.
Normal operation
The Power indicator flashes at least
once every minute.
It indicates the detector is in normal
operation.
Low battery warning
The Fault indicator flashes with a
beep at least once every minute.
It indicates batteries need to be
replaced.
Fault warning
The Fault indicator will flash twice with
beeps. Fault warning will be given at
least once every minute when fault is
detected.
It indicates there is fault in the sensor
or circuit. Fault warning will be given
at least once every minute until fault is
removed.
End-of-life warning
The Fault indicator will flash 3 times
with beeps. The end-of-life warning
will be given at least once every
minute.
It indicates end of unit life.
Alarm warning
The Alarm indicator flashes 5 times
with beeps. That makes one cycle of
alarm. Alarm warning will be made 3
times every 10 seconds.
It indicates alarm condition and
dangerous concentrations of CO is
detected.
Alarm silence
When the detector is in alarm
condition, press and hold the TEST
button, then it will enter alarm silence
condition. Alarm silence condition is
the same as alarm condition except
the buzzer doesn’t beep temporarily.
The Alarm indicator still flashes. Alarm
silence condition lasts less than 10
minutes.
It indicates alarm condition
without beeps, only when the CO
concentration is less than 200PPM.
Low CO
concentration
warning
The Alarm indicator will flash 4 times
with beeps at a slower speed. Low CO
concentration warning will be given at
least once every five minutes and the
interval will be at least 3 minutes.
It indicates low concentration of CO is
detected.
Testing
Press the TEST button, and the
Power, Fault and Alarm indicator will
flash once at the same time. If the
detector is working properly, then one
cycle of alarm will be made. If there
is malfunction, then fault warning will
be made.
For manual testing.