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Mend Ferroli Domicompact F30 F37 Fault

why does my ferroli domicompact f30 only work in test mode?

In normal mode I keep getting F37 fault message ( low system pressure) although bar pressure is showing 2 bars, overnight the fault code changes to F3 (saftey thermostat tripped). I have bleed the radiators several times as the fault finder manual says the common denominator is air in system? but this has no effect!!! Can anyone help.

Trevor
March 2010
FerroliFerroli Domicompact F30Heating, Home Heating SystemsFerroli F37 Fault
water pressure sensor may be faulty

Ian
March 2010

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Ferroli Domicompact F30: F37 & F3 Errors - Help!