Biasi Er14+RESET Fault Code
Also written as ER14RESET — same fault.
The Biasi Er14+RESET fault code means: your boiler has shut down because it is overheating or water is not circulating through the system properly.. It appears on 1 Biasi model in our database.
Technical description: Faulty pump (absence of water flow in the main circuit) or primary temperature above 105˚C
DIY fix possible
Check that your central heating valves (lockshields) are openEnsure your radiator valves are turned to the highest settingCheck the boiler pressure gauge and top up to 1.5 bar if it is lowPress the Reset button once to see if the fault clears
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Gas Safe Register →Biasi models that show the Er14+RESET fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Biasi Er14+RESET fault code information on this page is sourced and cross-checked against the official Biasi service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026