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    Biasi Riva Advance 32 - LO message on digital display

    The DHW NTC has just been replaced. Drained down, fuse removed before starting the job. Refilled, fuse replaced. So now just the left light of the (3) status indication lights is flashing slowly, which says the boiler is ok. I have hot water again. But now no CH, and there is this big LO...
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