After half an hour ignition warning light comes on and boiler shuts down, when I am using my central heating. The radiators all heat perfectly for the thirty minutes. When I press the restart it may run for another twenty mins and then when I press restart it may run for only ten minutes and again if I press restart it cut out almost immediately.
Thanks again for your reply. The sensor is red hot and I don't know if the continuous sparking should shut the boiler down. Perhaps the control board is at fault or maybe the igniter?? Do you have any ideas? Thanks
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