While you wait for answers, we may have found some information which could help you.
Success
Message
sime friendly format 80 e pressure problem ??
sime boiler?
Sime swithes itself off/on all the time?
sime 80c combi boiler lpg low pressure?
HOW CAN I FIX MY SIME COMBI BOILER?
RECENTLY MOVE TO ENGLAND?
water presure?
sime combi boiler?
How do you get constant hot water? Superb 90 plus SIME?
female in need sime friendly boiler?
fuse inside combi keeps blowing?
sime c/h boiler loosing water?