If an Integral LED thermometer is displaying false readings but the freezer still functions properly, it could be due to a calibration issue or a malfunction in the thermometer itself. To troubleshoot, first, ensure that the thermometer is correctly calibrated and placed in an appropriate location within the freezer. If the issue persists, it might be a malfunction in the thermometer's sensor or circuitry. In such cases, consider replacing the [link|https://echotherminc.com/products/refrigeration-thermometer/|refrigeration thermometer|new_window=true] to ensure accurate temperature monitoring for your freezer.