Nighthawk Carbon Monoxide Detector

Nighthawk carbon monoxide detector saves life!

I'm sending a note about the NightHawk Carbon Monoxide Alarm. No recipes from me.
We have two units and they are beeping and showing "Err" in the LED section. We've replaced batteries and pressed the "Test-Reset" buttun but still getting the Err and beeping.

posted by on 17.12.12 13:11

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