BoilerFaultCodesBaxi 50 Fault Code
The Baxi 50 fault code means: your baxi solo 3 boiler is not experiencing a fault code; rather, 50 is a capacity indicator confirming your boiler is the 50,000 btu/h model version.. It appears on 3 Baxi models in our database.
Technical description: 14.65kW (50,000 Btu/h)
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Baxi models that show the 50 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Baxi 50 fault code information on this page is sourced and cross-checked against the official Baxi service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026