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Firebird Boiler Error Codes 2021

Firebird Boiler Error Codes

Fault Possible Cause
E1 Control thermistor fault
E2 Flue thermistor fault
E3 Flue thermistor fault
E5 Burner fault (possibly burner lockout)
Thermostat at a high limit (cuts off) Reset boiler

Occasionally some things can go wrong, that's why we've created our handy at-a-glance table of Firebird error codes and a guide to Common Firebird Problems and Repair.

Should you need professional help with your broken boiler, then simply use one of our enquiry forms and we will connect you with the best heating engineers local to you.


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Boiler Guide Team

About the author

Boiler Guide Team

Boiler Guide has been home to a host of heating experts who have helped millions of UK homeowners searching for advice and guidance. If you've got heating questions, we'll have the answers.

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