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how to reset a vaillant ?

i am on a card meter for my gas when asleep my gas ran out i have now put my emergency but the boiler is displaying f.29 how do i reset the boiler so it will work ?

robert
December 2012
VaillantHeating, Home Heating Systems
reset the boiler by pressing the top left button under the display, the button has a flame with a cross through it. Turning it off and on as previously suggested will not work.

carefree
December 2012
Turn of boiler from main for 1mts restart boiler

ltd
December 2012
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