Normal Operation - ELRO FC280211 Bedienungsanleitung

3. UNDERSTANDING YOUR CO ALARM
3.1 Start up
When first power on, the POWER indicator (green) flashes every second, this is preheated state, 60 seconds later the
POWER indicator (green) flashing every 40 seconds indicates the unit is functioning properly. The LCD displays all
segments 4s and count down. When the countdown is "0", the product goes into normal operation.
3.2

Normal operation

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The POWER indicator (green) flashing once every 40 seconds.
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The LCD alternately displays current CO concentration and temperature every 40s.
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CO concentration display range 0~999PPM.
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If the CO concentration is under 20PPM, the LCD will display "0PPM".
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If the CO concentration overruns 999PPM, the LCD will display "999PPM".
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Temperature display range -9~50°C.
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If CO concentration overruns 20PPM, the function of temperature display will be disable.
3.3 CO alarm warning
When the device detects a dangerous level of CO, the device will emit a loud alarm pattern. The alarm signal pattern
is 4 beeps followed by 2 seconds of silence. The ALARM indicator (red) will flash the same pattern. This cycle repeats
as long as a dangerous CO condition exists.
Alarm sensitivity setting: Conforms to EN 50291-1:2018
030PPM : Without alarm before 120 minutes
050PPM : Alarm between 60 to 90 minutes
100PPM : Alarm between 10 to 40 minutes
300PPM : Alarm within 3 minutes
NOTE: Refer to
3.4 CO alarm warning silence
During the device under CO alarm mode, pressing the TEST/SILENCE button, it will be paused alarm sound of the
device about 10 minutes. The ALARM indictor (red) will keep flash as CO alarm mode, it indicates the device is
running into the CO alarm silence mode.
NOTE: The audible alarm signal will reactivate about 10 minutes from the time the TEST/SILENCE button is operated
where the concentration of CO surrounding the alarm remains at 50 PPM or greater.
NOTE: The audible alarm signal cannot to silence if the alarm at concentration above 200 PPM.
NOTE: The alarm silencing activation to once throughout a CO alarm period.
WARNING! Before enable feature of CO alarm warning silence, you should be confirmed that the alarm is due to
dangerous levels of carbon monoxide and the dwelling should be ventilated.
3.5 Low battery voltage warning
If the device chirps once every 40 seconds, with FAULT indicator (yellow) will be flash. It indicates the battery is low.
The LCD displays always displays "
NOTE: When the low battery voltage warning is occurred, the device has capable of producing a CO alarm signal for
at least 4 min or 30 days of low battery voltage warning signal operation.
NOTE: The device will not protect against the risk of carbon monoxide poisoning when the battery has drained.
3.6 Low battery voltage warning silence
When the device is under the low battery warning, pressing the TEST/SILENCE button, it will come into a low battery
voltage warning silence status for about 9 hours, meanwhile it will appear "
(yellow) keeps flashing.
NOTE: The silence feature of low battery voltage warning is temporary action to cancel warning sound effect, you
need replace the battery as soon as possible.
3.7 Fault warning
If the device chirps twice every 40 seconds with FAULT indicator (yellow) flashing. It indicates the CO alarm is in
malfunction condition. The LCD displays "Err", that means your alarm have no detecting function and no respond CO.
NOTE: Maybe the sensor is missing, replace the device immediately. Please contact us to more service.
"4. WHAT TO DO IF THE ALARM
".
SOUNDS" when you hear the sounds of the CO alarm warning.
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" on LCD, and FAULT indicator