While you wait for answers, we may have found some information which could help you.
Click here for Heating Thermostat ClickingHow to remove the front cover of my Digistat 2RF receiver?
Fan running continuously?
Remote timer bps242rf how does it work ??? ?
How do I reprogram my ideal bolier rf thermostat receiver?
can i fix it honeywell st1000 ?
Replace a wireless termostat with a hard wired one?