We may have found other answers which could help you.
Click here for Boiler Fault Volkera
My Volkera 29a boiler has stopped firin up?
volkera linea 28 no hot water?
How can I turn my Volkera excell 80sp on again?
Why does our boiler light up when "off"?
Volkera minute e20 will not ignite?
How to re pressurise a volkera boiler ?