While you wait for answers, we may have found some information which could help you.
Click here for Honeywell Temperature System
is there a way to just simply turn the temperature up?
Can you get just a new RDJ10RF thermostat or does it have to be the set?
Fan running continuously?
Tybox827reset?
How to remove the front cover of my Digistat 2RF receiver?
Replace a wireless termostat with a hard wired one?