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