Frequently Asked Question
How do I test my FireAngel CO-9D Carbon Monoxide Alarm?
Last Updated 3 months ago
Power pack, sounder and circuitry test
Pressing the Test/Mode button will also test the power pack, sounder and circuitry of the alarm.
The unit will sound and the alarm LED below will illuminate red. You should
perform this test once per week.
For more information please read the attached manual.