We may have found other answers which could help you.
Click here for Drayton Digistat Rf2drayton room thermostat display screen is blank?
drayton digistatrf1 wireless system?
how can i fix thermostat?
how to replace batteries in my Drayton Digistat RF1?
Help to fix a room thermostat, please?
Drayton Digistat RF2 Wireless system?