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