While you wait for answers, we may have found some information which could help you.
Success
Message
Volkera minute e20 will not ignite?
volkera compact 29 he green light flashing?
Volkera SP80?
my Volkera 80E won't heat water?
How to re pressurise a volkera boiler ?
Why does our boiler light up when "off"?
lossing water pressure ?
volkera linea 28 no hot water?
How can I turn my Volkera excell 80sp on again?
Volkera compact 29A Combi always making kettling noise?
My Volkera 29a boiler has stopped firin up?
my volkera linea 24 boiler keeps losing pressure?