BoilerFaultCodesFerroli A98 Fault Code
The Ferroli A98 fault code means: your boiler's internal computer has encountered a software glitch or a configuration error and needs to be restarted and recalibrated.. It appears on 1 Ferroli model in our database.
Technical description: Too many SW errors or error during board replacement — reset and do AUTO SETUP
DIY fix possible
Press the Reset button on the boiler control panelWait for the boiler to complete its automatic startup sequenceIf the code persists, the boiler may require a professional 'Auto Setup' calibration
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Ferroli models that show the A98 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ferroli A98 fault code information on this page is sourced and cross-checked against the official Ferroli service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026