In some cases, the heatbed can become misaligned in the thread. The result is that one side of the glass meets the bottom gasket on the Distiller in a crooked angle.
This leads to a number of problems – low heat transfer, tensions and potentially leaks.
To solve the issue, you can lower the heatbed until it clicks back into the right position.
This video shows how to re-align a crooked heatbed:
