User's Manual

Test the ADT Carbon Monoxide Alarm weekly by pressing

and holding the test button for a few seconds. Replace the

alarm when the “Replace unit by” date has been reached

(check label on the side of the device).

Important: This Carbon Monoxide Alarm must be tested

and maintained weekly. This device is designed to protect

individuals from the acute effects of carbon monoxide

exposure. It will not fully safeguard individuals with

specic medical conditions. If in doubt, consult a medical

practitioner. Individuals with medical problems consider

using detection devices with lower COHb alarming

capabilities.

Testing

Make sure the batteries are properly inserted and

then wait 15 seconds.

Operate reset/silence button.

Call your emergency services Fire Department or 911.

If the alarm does not sound when you press the test

button:

Hold button down rmly for at least 5 seconds.

Check the alarm is secured correctly on the mounting

plate.

Replace batteries.

If the alarm sounds for no apparent reason:

Troubleshooting

Note: If you have an ADT professional monitoring

service activated, make sure that your ADT Security Hub

is in Test Mode to avoid triggering a false alarm. See the

ADT Security Hub User Guide for more details.