Sensor Fault (Hot Water) Medium

Boiler Fault Code Sensor Fault (Hot Water)

Also written as SENSORFAULTHOTWATER — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code Sensor Fault (Hot Water) 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 detected a problem with the sensor that monitors hot water temperature, which means you may have inconsistent or no hot water. (As reported on Baxi Bahama 80e / 105e)

Pick your boiler brand for the Sensor Fault (Hot Water) fix

Source

Information for the Sensor Fault (Hot Water) 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