BoilerFaultCodes No display, pump running High
Boiler Fault Code No display, pump running
Also written as NODISPLAYPUMPRUNNING — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code No display, pump running 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 has lost power to its control screen, but the internal water pump is stuck running, which suggests an electrical fault within the main control system. (As reported on Vokera Pinnacle)
Pick your boiler brand for the No display, pump running fix
Source
Information for the No display, pump running 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