home Fix label Heating label_important Home Heating Systems category Ferroli

boiler wont work ?

my boiler wont work its a ferroli optimax he plus 31 c it just flashes f 40 on the screen what is this? nothing in manual

grant, August 2010

home Fix label Heating label_important Home Heating Systems category Ferrolidone

From the manual (where it doesn't exist) :o))
F40 Incorrect system water pressure
Pressure too high above 3 - 5 bar
Check the filling loop not passing

Carefree, August 2010

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home Fix label Heating label_important Home Heating Systems category Ferroli

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