Saunier duval Thercondens F30 Fault code F11

[darren bastin]

The above boiler flashes F11, electronic pressure shows 0.0 bar the boiler on the display . The system pressure (measured at a rad= 1.5 bar), the fault code has nothing to do with pressure. Anybody had similar problem and what was the outcome. Your thoughts would be appreciated.

 

[diamondgas]

Could the boiler gauge be blocked or faulty?

Thankfully up here in Newcastle the Saunia's are no longer sold, at the main suppliers anyways

 

[darren bastin]

No i dont think so , there is no gauge. F11 says its a communication problem between the main pcb and the display(user interface), the wire harness is fine. Anybody had this fault code before ? Dont like to assume its the pcb.