BoilerFaultCodes
Firebird Boiler Fault Codes
54 fault codes across 10 Firebird boiler models — explained in plain English.
Irish manufacturer specialising in oil boilers. Popular in rural UK and Ireland.
Just want the most common Firebird problems?
The top 8 faults across the whole Firebird range — causes, DIY checks, repair costs.
High-severity Firebird fault codes
E1 E5 Burner control box lockout light lit Combi panel red Lockout LED Combi panel yellow High Limit LED
Your boiler's internal temperature sensor has stopped working correctly, causing the system to shut down for safety.
Enviro
Your boiler's burner has stopped firing for safety reasons, which means you currently have no heating or hot water.
Enviro
Your boiler's burner has shut itself down for safety because it failed to light or stay lit.
Enviro
Your boiler's burner has stopped working, meaning it cannot light the fuel to provide heating or hot water.
Enviro
Your boiler has switched itself off because the water inside became too hot, triggered by a safety sensor to protect the system.
Enviro
All models
10 Firebird boiler models
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