BoilerFaultCodesFirebird Combi panel 2 flashing green Sensor LEDs Fault Code
Also written as COMBIPANEL2FLASHINGGREENSENSORLEDS — same fault.
The Firebird Combi panel 2 flashing green Sensor LEDs fault code means: your boiler has detected that one of its internal sensors is either broken or has a loose connection, preventing it from heating your water correctly.. It appears on 1 Firebird model in our database.
Technical description: One or more sensors defective or disconnected from the PCB
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 Combi panel 2 flashing green Sensor LEDs fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Firebird Combi panel 2 flashing green Sensor LEDs 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