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Mend Ferroli Optimax HE 31c Boiler Fault Code No Hot Water

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
FerroliFerroli Optimax HE 31cHeating, Home Heating SystemsBoiler Fault Code No Hot Water
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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Ferroli 701Ferroli 77 FFFerroli 77FFFerroli 901Ferroli Combi BoilerFerroli Domicompact F24BFerroli Domicompact F30Ferroli DOMIcompact F30BFerroli F24Ferroli f24bFerroli F30Ferroli F37Ferroli Falcon 2Ferroli HE 31 CFerroli HE31CFerroli Maxima 35CFerroli ModenaFerroli Modena 80eFerroli Optimax HE 31 CFerroli Optimax HE31c

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Free repair help for Ferroli Optimax HE 31c home heating systems