While you wait for answers, we may have found some information which could help you.
Click here for Firebird Oil Lockout
Why does the 5 amp fuse keep blowing?
no hot water?
Firebird Super Q 50/82 Oil Boiler, Tank, Pump & Grasslin 24/7 ?
Firebird - S 50 - 90?
Firebird super Q 50/82?
How to change a photocell on a Firebird Enviromax boiler?