BoilerFaultCodesFirebird Limit Fault Code
Also written as LIMIT — same fault.
The Firebird Limit fault code means: your boiler has automatically shut down because it has detected that the water inside has become dangerously hot.. It appears on 1 Firebird model in our database.
Technical description: Boiler Safety Limit 110°C exceeded (indicated by 'Limit' lamp on control panel)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Firebird models that show the Limit fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Firebird Limit fault code information on this page is sourced and cross-checked against the official Firebird service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026