Marc Nollid asked ... Nissan Micra mk 5 2018 rear seat mecanism?    |    Maggie asked ... New Home 535?    |    paul asked ... Hook timing Janome QC 6260?    |    David asked ... Beeper bust?    |    Tom asked ... Service manual for Lawnflite 908LA?    |    Click here to ask your question

how do I fix vaillant ecotec plus reading F.75?

My vaillant ecotec plus displays f.75. Pressure reads 1.4 bar. Have no heating or hot water. how do I fix this?
hazel, February 2012
Reset it, unfortunately its a very open ended trouble code that can be caused my multiple things.
Failing that turn the mains off to the boiler and wait 5 minutes this will kill any stored power in the pcb.

bill, February 2012
link Click here to see other fixes for Vaillant.