BoilerFaultCodesMain EA Fault Code
The Main EA fault code means: your boiler is failing to light because it cannot detect a flame or isn't receiving enough gas.. It appears on 1 Main model in our database.
Technical description: No ignition (gas supply or ignition electrodes)
DIY fix possible
Check if other gas appliances, like a cooker hob, are working to confirm your gas supply is active.If you have a prepaid gas meter, ensure it has sufficient credit.Reset the boiler by following the instructions in your user manual.
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Main models that show the EA fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Main EA fault code information on this page is sourced and cross-checked against the official Main service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026