While you wait for answers, we may have found some information which could help you.
Success
Message
why has my wireless time clock stopped responding?
Honeywell ST7100 programmer goes blank when RUN selected?
Mid position valve?
dmestic hot water near boiling point, howto adjust temperature?
Ideal Classic no heating but have hot water?
heating, Oil boiler not running?
Replacing LP112 Programmer?
Hot water but no central heating?
can i fix it honeywell st1000 ?
Converting to Y Plan system?
How do I reprogram my ideal bolier rf thermostat receiver?
isar he30?