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How do I determine if my carbon monoxide digital alarm has reached Its End of Life?

Nov 27, 2011

Co digital alarm

To determine if my carbon monoxide digital alarm has reached its end of life, refer to the following:

Manufactured between January 1, 2000 and April 30, 2006

  1. When the CO alarm displays an Err Err message, push the Peak level button.
  2. If it then displays an E09 E09 message, the alarm has reached the end-of-life.
  3. The alarm will also emit a quick Beep every 30 seconds, and will need to be replaced.

NOTE: For information on where to purchase a new CO alarm, go to Where to Buy our Products.

Alarms manufactured between May 1, 2006 and today

  1. When the CO alarm displays an End End message message, the alarm has reached the end-of-life.
  2. The alarm will emit a quick beep every 30 seconds, and will need to be replaced.

NOTE: For information on where to purchase a new CO alarm, go to Where to Buy our Products.

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