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Mend Ariston MFFI 23 Home Heating Systems

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Mend Ariston MFFI 23 Boiler Heating Reset

how can i fix my Ariston microcombi mffi 23?

I have an ariston microcombi mffi 23 showing the overheat light ,(red) runs for 30 sec then cuts out . Reset it, cuts out again, any ideas . thanks.

Nat
January 2011
AristonAriston MFFI 23Heating, Home Heating SystemsBoiler Heating Reset
Red light should be fault light and not overheat light than it is either air pressure switch not closing or PCB fault

k
January 2011

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Ariston 23MFFIAriston A/23 MFFIAriston A/27 MFFIAriston A23MFFIAriston E-CombiAriston Euro CombiAriston EurocombiAriston GenusAriston Micro CombiAriston Micro geniusAriston Micro GenusAriston MICRO GENUS 23 MFFIAriston Micro Genus 27 MFFIAriston Micro GENUS HEAriston Microgenus 24Ariston Microgenus 27Ariston Microgenus 28Ariston microgenus HEAriston SX20Ariston Uno

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