While you wait for answers, we may have found some information which could help you.
Success
Message
Sabre HE 3 second blinking green then flashing red when on?
How to fix my Sabre 24 passing water to the overflow?
how can i fix my sabre he 2.5, green light flickers on and off not staying ?
Sabre boiler keeps switching off?
how to fix sabre he plus?
How can I fix my Sabre 28?
No heating or hot water due to low pressure?
Why does my Sabre 25HE pcb fuse keeps blowing?
sabre 28?
Sabre he will not work with combustion cover on?
Sabre 29he plus combi condensing Boiler?
were is the reset button on sabre29he?