ELRO FC4902R Mode D'emploi page 7

3. Product overview (page 4)
3.1 POWER indicator
The POWER indicator (green LED) is used to indicate power status of the CO alarm. The POWER indicator will flash every
40 seconds.
3.2 FAULT indicator
The FAULT indicator (yellow LED) is used to indicate fault or warning status of the CO alarm.
3.3 ALARM indicator
The ALARM indicator (3 x red LED) is used to indicate alarm status of the CO alarm.
3.4 TEST/SILENCE button
The TEST/SILENCE button is used to test the unit. Press and hold to enable TEST function.
When the alarm making a CO alarm warning or other warning sound, you can push this button to make the device
silence.
3.5 Alarm sounder
The alarm sounder is used to send out CO alarm warning, fault warning information etc.
Understanding your CO alarm (page 4)
4.
4.1 Start up
After connecting the battery, all three LEDs light up briefly and the CO alarm confirms start-up with a beep. After power
on, the green LED flashes once per second within 60 seconds, this is preheated state, 60 seconds later the green LED
flashing every 40 seconds indicates the unit is functioning properly.
4.2 Normal operation
The POWER indicator (green LED) flashing every 40 seconds.
4.3 Fault warning
If the unit beeps twice every 8 seconds and the FAULT indicator (yellow LED) flashes. It indicates the CO alarm is in
malfunction condition. That means your CO alarm has no detecting function and will not respond to CO. Please contact
us immediately for more services.
4.4 Fault warning silence
When the alarm is under the fault warning, press the TEST/SILENCE button, it will come into silence status for about 9
hours, while the FAULT indicator (yellow LED) keeps on flashing.
4.5 Low battery voltage warning
If the alarm beeps once every 40 seconds, with FAULT indictor (yellow LED) will be flash. It indicates the battery is low.
NOTE:
- You need to replace the batteries immediately when the alarm enters this status.
- The alarm will not protect against the risk of carbon monoxide poisoning when the battery is empty.
- Refer to "5. Battery installation/replacement" when you hear the sound of a low battery voltage warning.
4.6 Low battery voltage warning silence
When the alarm is under the low battery warning, pressing the TEST/SILENCE button, it will come into silence status for
about 9 hours, and FAULT indicator (yellow LED) will keep on flashing.
NOTE:
- When alarm under the low battery warning, please replace the battery in time to ensure a normal operation.
4.7 End of life warning
If the alarm beeps 3 times every 40 seconds with FAULT indicator (yellow LED) flash. It indicates end of life of the CO
alarm. You need to immediately replace the CO alarm.
4.8 End of life warning silence
When the alarm is under the end of life warning, pressing the TEST/SILENCE button, it will come into silence status for
about 9 hours, and FAULT indicator (yellow LED) still keep flashing.
4.9 CO alarm warning
When the alarm detects a dangerous level of CO, the alarm will emit a loud alarm pattern. The alarm signal pattern is 4
quick beeps followed by 5 seconds of silence. This cycle repeats as long as a dangerous CO condition exists. The red
alarm LED will flash the same pattern. This signal will repeat until the alarm resets after dissipation of CO.
Sensitivity Setting: Conforms to EN 50291-1:2018 standard
030PPM - Without alarm before 120 minutes
050PPM - Between 60 to 90 minutes
100PPM - Between 10 to 40 minutes
300PPM - Less than 3 minutes
NOTE:
- Refer to "4. What to do if the alarm sounds" when you hear the sounds of the CO alarm warning.
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