If your Genius Hub is powered off, or not functioning, here is how to manually override the boiler controller, in order to operate your boiler.
Step-by-step guide
When the Genius Hub is powered off, or not communicating:
To turn Hot Water on
Hold down the TOP WHITE button AND the GREEN button.
To turn Hot Water off
Hold down the TOP WHITE button AND the RED button.
To turn the Central Heating on
Hold down the BOTTOM WHITE button AND the GREEN button.
To turn the Central Heating off
Hold down the BOTTOM WHITE button AND the RED button.
* Please note that the above steps are valid for the majority of users. In some cases the positions of the Hot Water and Central Heating buttons may be swapped. This will be clearly marked on the inside of the cover.