Note: the device does not protect against the risk of carbon monoxide poisoning when the battery is discharged.
5/ Silent low battery indicator
When the low battery indicator is displayed on the screen, pressing the TEST/SILENT button will put the device
will be displayed on the screen and the yellow DEFECT
into silent warning mode for 9 hours; the symbol
indicator light will continue to flash.
Note: the silent warning feature is a temporary action to cancel the defect warning signal, you should replace the
batteries as soon as possible.
6/ Defect warning
If the device gives off 2 beeps every 40 seconds and the yellow DEFECT light is flashing, this indicates that your
device is malfunctioning. The screen will display «Err» which means that your detector can longer detect CO.
In this case, you need to replace your device.
7/ Silent defect warning
If your device is broken, pressing the TEST/SILENT button will put the device into silent warning mode for 9 hours;
will be displayed on the screen and the yellow DEFECT indicator light will continue to flash.
the symbol
Note: the silent warning feature is used to cancel the defect warning signal, you should replace the device soon as
possible.
8/ End-of-life warning
If the device gives off 3 beeps every 40 seconds, the yellow DEFECT light is flashing and the LCD display shows
«End». This indicates your device has reach the end of its service life. You should replace it immediately.
9/ Silent end-of-life warning
When your device has reached the end of its service life, pressing the TEST/SILENT button will put the device into
will be displayed on the screen and the yellow DEFECT indicator
silent warning mode for 9 hours; the symbol
light will continue to flash.
Note: the silent end-of-life warning feature is a temporary action to cancel the defect warning signal, you should
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replace the device as soon as possible.