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Hi, please can anyone help? When we have just our water heating on our radiators also come on when the heating is set to 'off' :? Any ideas what might be causing this. Its worth noting that we have just had a brand new control unit fitted, but this problem occurred before this was done...

Hi, suddenly our boiler has nothing on its display. Our manual says to check the mains elec supply or the fuse at the switched socket - these are both ok. The mains 'on' indicator is on and showing amber, but everything else looks 'dead'! The presure gauge is showing just above 2. Any advise...