While you wait for answers, we may have found some information which could help you.
Click here for Switch Off Lock Out Lighthow do I remove the burner from my Worcester Bosch 15/19 - ?
how many rads can a worcs danesmoor 20/25 run ?
Camray 5 'lockout'?
Where is the reset button?
hot water but no heating?
How to put gas boiler on again after non use? Worcester Junior model?