While you wait for answers, we may have found some information which could help you.
Success
Message
coal layout?
Thermostat question?
Boiler coming up but heating and hot water not working?
My son touch v2 padlock issues?
Pressurising a Myson Marathon free standinding boiler 50B?
has my central heating pump started to seize/jam up?
Myson velaire oil pump?
Myson Touch?
air in pipes?
How do I replace an old boiler with minimum change?
re: Myson Main Masquerade as Fire?
Why red light on ?