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