How to test a FireAngel CO-9D Carbon Monoxide Detector

Alarm Test
Test the sounder, power pack and circuitry by pressing and releasing the Test/Silence button to confirm that the alarm is operating properly. The alarm should sound as soon as the Test button is pressed, and the Alarm LED will illuminate red indicating that the sounder is working and the power pack is providing power to the unit. This test should be performed on a weekly basis. Perform the Sensor Test annually

Your CO detector monitors the level of CO as parts per million (ppm) in the atmosphere surrounding the detector.
The maximum allowable concentration for continuous exposure for healthy adults in any 8 hour period, as recommended by the Occupational Safety and Health Administration (OSHA).
Slight headache, fatigue, dizziness, nausea after 2 – 3 hours.
Frontal headaches within 1 – 2 hours, life threatening after 3 hours.
Dizziness, nausea and convulsions within 45 minutes. Unconsciousness within 2 hours. Death within 2 – 3 hours


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