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?
Why red light on ?
How do I replace an old boiler with minimum change?
Myson velaire oil pump?
Myson Touch?
coal layout?
My son touch v2 padlock issues?
has my central heating pump started to seize/jam up?
Thermostat question?
Pressurising a Myson Marathon free standinding boiler 50B?
air in pipes?
re: Myson Main Masquerade as Fire?