While you wait for answers, we may have found some information which could help you.
Click here for Fault Find Boiler HelpRelight pilot?
How can I fix my boiler chaffoteaux&maury?
How can I fix my Chaffoteaux & Maury boiler?
gas water heater chaffoteaux britony 11t (geyser ) 11 years old?
My heating and hot water do not work and “A03” is flashing?
Chaffoteaux et Maury with no hot water?