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