Chihiros cooling fan detects wrong temperature

[Kifster]

Hi why does my chihiros cooling fan detects the temperature of my tank as 70+ degrees celsius all of a sudden? It was working fine yesterday.

 

[Kifster]

This is my device ID and serial number

 

[Administrator]

You can calibrate the temp

 

[Kifster]

You can calibrate the temp

Tried that and it went back to a high temperature. Now it just shows as 99.8 degrees.