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  1. R

    IDEAL ICOS HE18 F L FAULT

    onlyfitidealboilers - Just spoke to the plumber and he said there wasn't 240v going to the spark generator. He didn't check for water in blue tube going to gas valve and not sure about 200vdc across blue and black on gas valve when ignition sequence starts. Again i've just tried turning on...
  2. R

    IDEAL ICOS HE18 F L FAULT

    onlyfitidealboilers - thanks for getting back to me so quickly. When the boiler turns on you can hear it trying to ignite if that make sense. Sort of a clicking noise three times tries it again after a min or two then give up and the screen reads FL... Interms of everything else you said...
  3. R

    IDEAL ICOS HE18 F L FAULT

    Hi all, Never done this before so a little nervous and ensure of the response i'll get but here we go, I've read numerous blogs and troubleshoot guides and nothing has solved this query so fingers crossed someone out there can help me and my plumber get hot water and heat!! We've got an...
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