We may have found other answers which could help you.
Click here for Burner Boiler LockingHow to put gas boiler on again after non use? Worcester Junior model?
worcester danesmoor 20/25, lockout/repriming tigerloop and pump?
how do I change the diverter valve on my worcester 20 / 25 combi boiler?
hot water but no heating?
How to switch off lock out light?
whats wrong with my Worcester Danesmoor 12/14?