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How can i fix my Vaillant boiler (ecomax pro) Fault code F04 + F01?

Hi

My boiler is on the blink, i have a vaillant boiler (ecomax pro) it keeps cutting out and wont start up on its own through timer and it takes about 6 or 7 attempts to get it fired up (also sometimes does not fire up at all) When it wont fire up it is flashing out a fault code of either F04 or F01. Please help?

Erica
January 2009
VaillantHeating, Home Heating SystemsVaillant Boiler Ecomax
there is a p.d.f. of vaillant ecomax pro manual @

gasapplianceguide.co.uk/ecoMAX_pro_installation_and_user_guide.pdf

but your best bet is to service it,

just had mine done and its sorted same fault.

tiny.
January 2009

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