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