wireless themostat.

7 Oct 2006
Reaction score
Mid Glamorgan
United Kingdom
i fitted a honeywell cm67 a few weeks now,but i have a problem with auto the boiler switches on at the times set all through the day,but when it is supposed to siwtch on at 6pm with the set temp it switches on at 4pm instead,i have reset the timer and temp in installer mode but its still not working as it should,if i switch from auto to programme and back to auto the boiler switches off and switches back on at 6pm when it should,i am at a loss as to what to do has anybody any ideas?
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Yep, turn off option 14 in the installer level 2 menu - optimum start.
cheers simon,i have just knocked off optimum start i will see how it goes tomorrow afternoon and let you know if it works,i have faith :D
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