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Mend Ferroli Domicompact F 30 B Boiler Heating Screen

blank display - ferolli domicompact f 30 b?

can anyone help me, my display screen is currently blank, however the manual states that you should have 2 lines even if the boiler is off. i have nothing on the display! very cold.....need help!?

Andy from peterborough
February 2010

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