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Motorized valve does not operate in auto mode?

I have replaced synchronous motor without success and also cheched the two micro swithces underneath.
Please suggest any remedy. 3-port valve was replaced in March,08 by the Plumber by draining the system.
Tc Chopra, December 2008
I would need more info
1/ is the boiler firing up
2/ the circulating pump running
3/ time clock working or wired correctly

George Morrison, December 2008