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whats the fault d2 on a ferroli boiler?

whats the fault for d2 on a ferroli optimax He 31c boiler we have no hot water but rads work

Lin law, July 2009

home Fix label Heating label_important Home Heating Systems category Ferrolidone

Hi
I have a ferroli Optimax 18kw OV boiler and I get this code too. It means there is a delay in the heat setting generally between hot water demand and heating demand. I think the setting is more common with combi systems.

Colin Rae, July 2009

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home Fix label Heating label_important Home Heating Systems category Ferroli

whats the fault d2 on a ferroli boiler?

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whats the fault d2 on a ferroli boiler?

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whats the fault d2 on a ferroli boiler?

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