
Fan tries to run every 15 seconds then stops immediately?
F40 fault?
Have I got got a faulty programmer?
Oil fired boiler thermostat?
Boiler cycle?
How do i stop the time from flashing on the Siemens RDJ100RF?
Greenstar Highflow 440?
Thorn Harcal 460?
Worcester 30 Cadillac combi boiler won’t fire up and the EA?
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