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  1. C

    Ariston microgenus 23 MFFI PCB eprom config

    It does thank you, agree that it might not change the switch. Could be something more pedestrian like the spindles in the switch not engaging the switches on the board so will double check that
  2. C

    Ariston microgenus 23 MFFI PCB eprom config

    I've seen a knowledgable poster on here (Agile) who i'm hoping might shed some light. We've replaced the PCB on the boiler as we had no HW, that returned the HW and CH runs. However the on / off switch, reset and comfort switch don't do anything - the boiler is on even when switched to off. So...
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