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Mend Main Combi 30 He ECO Boiler Central Heating Pcb

Fault on fan or flue?

Our recently installed Main Combi 30 He ECO boiler is displaying a 50 degree LED fault (Fault on fan or flue). The engineer has replaced the PCB, selector switch and gas igniter lead assembly. The boiler did run correctly on central heating / hot water mode for a half hour or so and then goes out on this fault. Can you let us know as to what may be at fault?

Tom
March 2014
MainMain Combi 30 He ECOHeating, Home Heating SystemsBoiler Central Heating Pcb
''recently installed boiler''
in that case the boiler would be under a manufacturers warranty
the manufacturers engineers should be more than capable of rectifying the fault

Q
March 2014

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Main Combi 30 He ECO Boiler - Fault 50 Help