What does err mean on my Nighthawk carbon monoxide detector?
If your digital carbon monoxide alarm says “ERR” on the display, this means it has malfunctioned and needs to be replaced. Generally, carbon monoxide detectors last between 7-10 years before they should be replaced.
Why does my carbon monoxide detector keep saying error?
An Err message may be due to an End-of-Life warning. Seven years after initial power-up, this unit will chirp every 30 seconds to indicate that it is time to replace the alarm. If your alarm has reached its End-of-Life warning, replace the alarm immediately.
How do I reset my Nighthawk carbon monoxide detector?
Step 1: Press on the reset switch, you can see it on the anterior panel of your device. The position of the switch varies from one to another based upon the model and brand of the nighthawk carbon monoxide detector. Step 2: Hold the reset switch for about 5 to 8 seconds.
How do you fix a malfunctioning carbon monoxide detector?
To reset the alarm, the unit needs fresh air and time to burn the contamination off the sensor. Push and hold the silence button for 5 seconds to silence the alarm while contamination is being burned off the sensor. You may need to do this a number of times to give the carbon monoxide alarm enough time to reset.
How do you read a Nighthawk carbon monoxide detector?
When the unit detects carbon monoxide, the alarm pattern will be four (4) short beeps – followed by five (5) seconds of silence – followed by four (4) short beeps. A number reading will appear on the digital display identifying the measured CO concentration (in ppm).
Where is the reset button on a carbon monoxide detector?
How to Reset CO Detectors
- Locate the reset button. The reset button is found on the front panel of the device.
- Hold down the reset button for five to 10 seconds.
- Release the reset button. The device will either beep, a light will light up to indicate the device is now working, or both.
How do you test a carbon monoxide alarm on a Nighthawk?
Press and hold the “Test/Reset” button to test the alarm. If the alarm portion is working properly, the LCD will display “888” and then display a number around 200. The Nighthawk will then issue four quick beeps, wait five seconds, and then issue four more beeps. It will then display “888” again.
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