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3. Switching on Your CO Alarm

NOTE: Your CO alarm must be installed by a competent person using the guidance that follows;

1. Remove the baeries from the pack and insert them into the baery compartment. Make

sure that you ﬁt the baeries in accordance with the polarity markings (+ or -) within the

baery compartment. If correctly installed, the alarm will give a short beep.

2. Push the test buon. The alarm will beep once followed by a brief pause. Then the alarm

will sound fully for 10 seconds. This conﬁrms that the alarm is powered up and working.

3. If you have a digital read-out alarm (model 5DCO) the LCD screen will show “---“ and then

“888” before seling at “0”

4. Check that the green LED ﬂashes at 30 second intervals to show that the alarm has power.

This is easiest to see in a dark area, or with lights switched oﬀ.

Kidde 5CO User Manual

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