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    Ideal ICOS HE15/reverse polarity.

    Hello, i have a Ideal ICOS HE15 boiler. there is a fault code of H to n on the display. I have had an electrician out to look at it, as i was told the the polarity had been reversed. The electrician has informed me that the polarity is running correctly, but the boiler is still showing the...
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    fault code and remedy

    I have an " Ideal icos " HE15 boiler. When i turned it on for hot water the panel was displaying the fault code "H" then "n". Could anyone tell me what the code means, and how the fault can be fixed please ?
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