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