reasons for not working on replaced batteries?

how can i fix thermostat?

Help to fix a room thermostat, please?

drayton room thermostat display screen is blank?

Drayton Digistat RF2 Wireless system?

Drayton Digistat +RF Model RF-601?

Digistat Drayton connection?

how to replace batteries in my Drayton Digistat RF1?

drayton digistatrf1 wireless system?

is it possible to repair a non digital Drayton SM2 timer?

How can I override code I can't remember?

Drayton sm2 timeswitch?

Drayton Digistat+2 RF?