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    Ariston MicroGenus 24 HE MFFI A91 Error code

    Thanks. I had kind of suspected it might be something like that, but it's good to get the opinion of someone who has done it before. Also there is a wiring lomb that connects the main PCB to the recuperator PCB on the reverse side of the PCB inspection cover am I correct in saying that the...
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    Ariston MicroGenus 24 HE MFFI A91 Error code

    So I have an A91 Error Code on the display on my Ariston MicroGenus 24 HE MFFI. I have just replaced the PCB following problems with the boiler related to the much publicised A01 Error code. So what happens is you turn the boiler on You get P24 on the display, the fan starts normally...
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