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