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