Baxi E.04.24 Fault Code
Also written as E0424 — same fault.
The Baxi E.04.24 fault code means: your boiler is struggling to identify the type of gas being supplied, causing it to shut down for safety.. It appears on 2 Baxi models in our database.
Technical description: Gas family not detected during automatic detection
DIY fix possible
Check that your gas meter is turned on and you have credit if using a prepay meterCheck if other gas appliances in your home, like a hob, are working correctlyReset the boiler by pressing the reset button for five seconds
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Baxi models that show the E.04.24 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Baxi E.04.24 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