Why does my GastroCH4ECK have a blue thermometer?

GastroCH4ECK Is Too Cold

The temperature of the GastroCH4ECK is below 17°C and is too cold to be calibrated.

Please move the device to a warmer area and try again later.

If the problem persists or has not been resolved by the information provided above, please contact Bedfont or your local distributor for more advice.