To ensure that the hood will never turn on of its own accord again, we can disable the temperate sensor and operate the hood manually only.

Follow the black sensor wire (circled in red) up to the logic board (circled in green) and see where it connects. It is located in the top left and is circled in blue on the second image with the wire removed.

The wire has a white connector that plugs into a white socket. Use your nails to pull the connector out of the socket. Wrap this connector somewhere out of the way.

On some models removing the sensor makes an error code always show on the display. The hood will still operate normally it will just display this instead of the time.