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Ariston microgenus 27 mffi problem?

Boiler fires up in DHW and heating modes. DHW lukewarm/cold and radiators cold. Would appreciate any ideas.
John, April 2015
Thanks for the answer.. but unclear what NTC is

John, April 2015
check that NTC is ok that Temp, sensor

ltd, April 2015
link Click here to see other fixes for Ariston.