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ARISTON micro Genus HE 24 MFFI Boiler showing E34? BOILER WILL NOT OPERATE?

showing E34?
BOILER WILL NOT OPERATE

JOHN
September 2009

Ariston Heating, Home Heating Systems Boiler Genus Boiler Not

I replaced the fan in my MicroGenus HE 24 with the more powerful one from the 28/32 and can confirm it works. Thanks thermoman for the tip!
Search for article number 65102566 (my manual was misprinted, check the Ariston site to confirm part numbers), the fan you're after is 80W instead of 47W

mrsliv
January 2011

Hi, this morning i've also had this error. i look at the flue restrictor but i founded none. I finally find out where the problem was. the condensate trap (where the condensate goes before it left the boiler) was full of limestone, so the condensate coulnd not be evacuate. I'd just to drain (there's a valve for) the trap. I hope my experiment can help.

firestarter (from belgium)
December 2009

flue restrictor should be removed

netY
October 2009

or air pressure switch is knackered, bout £30 for new one, easy change -check manual.

naz
October 2009

Alternatively u could check all tubes running to and from switch, make sure not blocked, also check flu is clear.

naz
October 2009

Air pressure switch is not seeing fan, even thou fan may be running, fan down on efficiency, change fan- around £60 for new.

easy install, look in boiler manual.

Naz
October 2009

fan / air pressure switch fault. Get a qualified engineer to have a look.

Ian
September 2009

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ARISTON micro Genus HE 24 MFFI Boiler showing E34? BOILER WILL NOT OPERATE?

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ARISTON micro Genus HE 24 MFFI Boiler showing E34? BOILER WILL NOT OPERATE?

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ARISTON micro Genus HE 24 MFFI Boiler showing E34? BOILER WILL NOT OPERATE?

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