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Can anyone diagnose the problem with my Ferroli Optima 901?

I have a Ferroli Optima 901. When the hot water is run for a period of 3-4 minutes the boiler cuts out and the pilot light goes out. The central heating works fine.

I have had engineers look at it and within the last 15 months I have had the PCB board, the overheat stat and the HW stat replaced.

Please can somebody help I am getting pretty fed up with the thing.

Ben Hancock
February 2007

Ferroli Heating, Home Heating Systems Problem Optima Water

got similar prob with my brothers for the sake of testing i have shorted out stats 1 found to be faulty but replaced all 3 now looking at multi function gas valve will let ya know outcome

jc manchester
February 2007

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Can anyone diagnose the problem with my Ferroli Optima 901?

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Can anyone diagnose the problem with my Ferroli Optima 901?

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Can anyone diagnose the problem with my Ferroli Optima 901?

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