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Pressing the Test/Mode button will also test SAFETY AND SECURITY
the power pack, sounder and circuitry of
the alarm. The unit will sound and the alarm Note: We suggest the use of an incense
stick or cigarette as the way in which
LED below will illuminate red. You should these products burn produces a readable
perform this test once per week. localised amount of CO. A readable level
of carbon monoxide will not be given off
Peak Level Reading feature. by other sources of smoke, for example an
extinguished candle or match.
The alarm will record the highest reading of
CO that it has detected in the last 4 weeks.
This information is useful if your alarm has
sounded so you can see the highest level of
CO detected during that time. It is also useful
to check periodically to see if a readable level
of CO has been detected for a short time, but
not long enough to trigger a full alarm. The
peak level reading is shown briefly every time
you press the Test/Mode button and will look
something like the image below.
Note: It is possible and quite normal for the Step 1: If the alarm is wall mounted unhook it
peak level to remain at 0ppm, i.e. this simply from the fixing screws.
means that the alarm has not detected any
CO in the last 4 weeks. Step 2: H old the Test/Mode button down
until the spanner icon appears in the
The Peak Level reading will be reset to 0ppm bottom left hand corner of the screen
whenever a Sensor Test is carried out. (See and the bar graph ‘scans’ from left
the next section for Sensor Test). to right. This indicates the alarm is in
sensor test mode where the sampling
Sensor Testing rate of the sensor has increased and
the alarm can be tested using a known
! CAUTION: Sensor testing should only source of CO.
be performed by a responsible adult. Step 3: Light an incense stick or cigarette
This test should only be performed once a using a match or lighter. Extinguish the
month. Excessive testing will shorten the life lighter, or put out the match and place
of the power pack. it into a dish of water.
Step 4: Hold the incense stick or burning 41
cigarette 15cm (6 inches) below the
detector, so that the smoke goes
into the holes at the bottom of the
detector. As the smoke gets into the
alarm the display will show the amount
of CO being detected. When the level
of CO in the sensor reaches 50ppm
the alarm will sound a single alarm
cycle, this confirms that the sensor is
working correctly and is the end of the
sensor test. The alarm will return to
normal standby mode.
