1.3.1.6 Testing operation
It indicates testing is in progress.
1.3.1.7 Fault warning
It indicates fault warning.
1.3.1.8 End-of-life warning
It indicates end of unit life, and the product needs to be
replaced.
1.3.1.9 Power-up prompt
When batteries are installed and the detector is powered up,
power-up prompt will be given. It indicates that the power
supply is normally connected, and the indicator lights and
buzzer are working normally.
The LCD display shows ”EN”.
1.3.1.10 Battery level
When the detector is in normal operation, the Power indicator
flashes every 45 seconds. If low concentration of CO is
detected but alarm has not been triggered, the interval will be
less than 45 seconds.
The LCD display shows battery level all the time.
1.3.1.11 Low battery warning
When the voltage is less than 3.6V, low battery warning will be
given at least once every minute.
The LCD display shows condition D as specified in 1.3.1.4.
1.3.1.12 Fault warning
If there is fault in the sensor or circuit, fault warning will be given
within 3 minutes. Fault warning will be made at least once every
minute until the fault is eliminated.
The LCD display shows “Err” when fault warning is given.
1.3.1.13 End-of-life warning
When the detector has been working for about 10 years,
end-of-life warning will be given. The product cannot be used
any more.
The LCD display shows “End” when end-of-unit-life warning is
given
1.3.1.14 Alarm warning
The alarm response time of this detector complies with EN
50291. In alarm condition, at least three cycles of alarm will be
made, and the interval between each cycle will be less than 10
seconds. The alarm will terminate automatically in 6 minutes
when CO disappears.
1.3.1.15 Alarm silence
When the detector is in alarm condition and the CO
concentration is less than 200 PPM, press and hold the TEST
To Next Page