2GIG Carbon Monoxide Detectors—Battery Replacement

Find the image of your carbon monoxide detector below to view instructions on how to complete your battery replacement. Due to the versatility of your panel, only commonly paired sensors are shown. If your specific sensor is unlisted, you can search for other sensors here. If you need further assistance, you can text a Support Representative any time at 469.513.8685.

Once you've replaced the batteries, the error on your panel should clear within one hour. If you would like to clear the error manually, click here.

2GIG-CO3-345 Carbon Monoxide Detector:

Twist sensor counter-clockwise to remove from base, then remove and replace CR123A battery.

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Honeywell 5800CO Carbon Monoxide Detector:

Twist sensor counter-clockwise to remove from base, then remove and replace CR123A battery.