While you wait for answers, we may have found some information which could help you.
Success
Message
pressure relief valve?
Chaffoteaux et Maury with no hot water?
Relight pilot?
gas water heater chaffoteaux britony 11t (geyser ) 11 years old?
How can I fix my chaffoteaux & Maury Britony Combi SE?
Chaffoteaux Mx2 24 error 50?
How can I fix my Chaffoteaux & Maury boiler?
My boiler won't light but will when we take the cover off ?
How can I fix my boiler chaffoteaux&maury?
chaffoteaux brittony combi se 80?
chaffoteaux calydra 80 combi boiler?
My heating and hot water do not work and “A03” is flashing?