BoilerFaultCodesKeston Too many resets Fault Code
Also written as TOOMANYRESETS — same fault.
The Keston Too many resets fault code means: your boiler has been manually reset too many times in a short window and has temporarily locked itself to prevent potential damage or unsafe operation.. It appears on 4 Keston models in our database.
Technical description: If reset occurs 5 times within 15 minutes. (If power is removed this will be reset)
DIY fix possible
Turn off the power supply to the boiler at the fused spur switch (the wall switch).Wait approximately 30 seconds.Turn the power back on to clear the lockout memory and see if the boiler resumes normal operation.
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Keston models that show the Too many resets fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Keston Too many resets fault code information on this page is sourced and cross-checked against the official Keston service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 31 August 2026