BoilerFaultCodes Dry fire sensor High
Boiler Fault Code Dry fire sensor
Also written as DRYFIRESENSOR — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Dry fire sensor appears across 1 boiler brand and 2 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 the ability to detect if there is enough water inside, so it has safely shut down to prevent damage. (As reported on Potterton Envoy Plus)
Pick your boiler brand for the Dry fire sensor fix
Source
Information for the Dry fire sensor 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