BoilerFaultCodes DHWsensor High
Boiler Fault Code DHWsensor
Also written as DHWSENSOR — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code DHWsensor 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 struggling to detect the temperature of your hot water tap supply, meaning you likely have no hot water available. (As reported on Worcester Bosch 24si II)
Pick your boiler brand for the DHWsensor fix
Source
Information for the DHWsensor 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 7 July 2026