BoilerFaultCodesBaxi H.01.14 Fault Code
Also written as H0114 — same fault.
The Baxi H.01.14 fault code means: your boiler has shut down because it has detected that the water inside has become far too hot, likely due to a circulation problem.. It appears on 8 Baxi models in our database.
Technical description: Maximum flow or return temperature reached
DIY fix possible
Check that your radiator valves are fully openEnsure there is enough water pressure in the system by checking the gaugeBleed all radiators to remove trapped air pocketsReset the boiler using the reset button
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Baxi models that show the H.01.14 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Baxi H.01.14 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