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