We may have found other answers which could help you.
Click here for Pressure Dropping HeatingVokera mynute 35e fault code 08 what is problem?
Ignition failure on Vokera Vision C boiler?
Vokera mynute 28se?
Vokera sorry ?
how can we fix our Vokera compact 29a lose presure ?
Faulty vokera boiler compact 25?