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6. Test if the device works properly by pressing and holding the test/mute button for
approximately 3 seconds. If the device is working properly, it will beep four times and flash red.
More tips on how to install your carbon monoxide detector? Go to
See back page (cover) for drilling template for vertical installation!
Functionality
Mode
Light signal
Standby
Green flashes 1 x
per 40 sec.
Test
Red flashes 4 x
quickly, followed
by 5 sec. short
break
CO alarm
Red flashes 4 x
quickly, followed
by 5 sec. break
Red flashes 1x per
CO alarm mute
40 sec.
CO alarm memory
Green flashes 3 x
per 40 sec.
Low battery
Yellow flashes 1 x
voltage
per 40 sec.
Low battery
Yellow flashes 1 x
voltage mute
per 40 sec.
Siren error
Yellow flashes 2 x
per 8 sec.
Yellow flashes 2 x
Sensor error
per 8 sec.
End of life
Yellow flashes 3 x
per 40 sec.
Standby
In the standby mode, the CO level (if this is lower than 20 ppm it will display 0) and the room
temperature are shown, in an alternating manner. If the CO level exceeds 20 ppm, only the CO
level is displayed. This detector is equipped with a night mode, which means that the standby LED
is automatically switched off in dark areas.
Alarm
If the CO level in the room is too high, the carbon monoxide detector switches to the alarm mode
according to the scheme below.
030 – 049 PPM: Alarm signal after 120 minutes
•
•
050 – 099 PPM: Alarm signal after 60 - 90 minutes
•
100 – 299 PPM: Alarm signal after 10 - 40 minutes
•
> 300 PPM: Alarm signal within 3 minutes
Audio signal
LCD display
No sound
CO level, temperature
4 x quickly, followed
888 PPM
by 5 sec. break
4 x quickly, followed
CO level
by 5 sec. break
CO level, crossed-out
No sound
microphone
"AL"
No sound
1 x per 40 sec.
Symbol low battery
Symbol low battery and
No sound
symbol crossed-out
microphone
No sound
"Err"
2 x per 8 sec.
"Err"
3 x per 8 sec.
"End"
- 6 -
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Explanation
Detector functions
correctly
Detector functions
correctly
Detector has detected
carbon monoxide
Alarm signal is muted
The detector has issued
a CO alarm in the last
48 hours
Low battery voltage,
replace device asap
Low battery warning
muted for approx. 10 h.
Siren error detected,
replace device asap
Sensor error detected,
replace device asap
End of life, replace
device asap
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