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CHAPTER 7: Troubleshooting Guide
Problem... This means... You should...
Green light is OFF. Unit will
not alarm when you press the
Test/Silence button.
Unit may not be
plugged all the
way in, or is not
receiving power.
Gently push unit all the way into outlet.
Make sure it is not plugged into an outlet
controlled by a switch.
Unit “chirps” about twice a
minute. Green and Yellow
lights are ON. Red light
FLASHES.
Unit malfunction.
Unit needs to be
replaced.
Units under warranty should be returned to
manufacturer for replacement. See Chapter 8
“Limited Warranty” for details.
CO Alarm goes back into
alarm 4 minutes after you
press the Test/Silence
button.
CO levels are
still potentially
dangerous.
Refer to Chapter 3 “If Your CO Alarm Alarms” for
details on how to respond to an alarm. If anyone
is feeling ill, EVACUATE your home immediately.
CO Alarm alarms frequently
even though no high levels of
CO are revealed in an
investigation.
The CO Alarm may
be improperly
located. Refer to
“Where to Install
Your CO Alarm.”
Relocate your alarm. If frequent alarms continue,
have home rechecked for potential CO
problems. You may be experiencing an
intermittent CO problem.
If you have any questions that cannot be answered by reading this manual, call our Consumer Affairs
Department at 1-800-323-9005.