While you wait for answers, we may have found some information which could help you.
Click here for Switch Off Lock Out LightHow to switch off lock out light?
how many rads can a worcs danesmoor 20/25 run ?
worcester danesmoor 20/25, lockout/repriming tigerloop and pump?
hot water but no heating?
Camray 5 'lockout'?
Where can I get parts for a Worcester Heatslave boiler?