No code 260 High

Boiler Fault Code No code 260

Also written as NOCODE260 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code No code 260 appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is firing up, but the water inside is not getting any warmer, suggesting a blockage or a pump failure is stopping heat from moving around the system. (As reported on Worcester Bosch Greenstar 12i System)

Pick your boiler brand for the No code 260 fix

Source

Information for the No code 260 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026