It takes about 20 minutes after the data is received for Gravio CO2 to obtain a stable value of CO2 in the environment concerned.

If the CO2 sensor value is unnaturally high for a long time.

If the CO2 sensor value is unnaturally high for a long time, try resetting the CO2 sensor.

How to reset : Press and hold the pairing button for 18 seconds. Then release it, and if successful, a white LED will appear for about 2 seconds and then turn off.
This will reset it back to the “Reference value of 400 ppm CO2 in Sweden”.

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