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Question About Nighthawk Carbon Monoxide Alarm 900-0089
Error message...

The alarm is registering error and beeping every 30 sec. Batteries have been changed

Asked by Arnhel on 02/08/2009 2  Answers

ManualsOnline posted an answer 15 years, 8 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

steve posted an answer 14 years, 2 months ago

1 The alarm is registering error and beeping every 30 sec. Batteries have been changed
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Phil posted an answer 12 years, 9 months ago

0 Replace the unit if you've had it for seven years or longer and the device beeps every 30 seconds. It's telling you it has reached the end of its life. Read more: How to Troubleshoot a Nighthawk Carbon Monoxide Detector | eHow.com http://www.ehow.com/how_5692013_troubleshoot-nighthawk-carbon-monoxide-detector.html#ixzz1iP77651Q
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