BoilerFaultCodes Pressure Gauge above 3 bar High
Boiler Fault Code Pressure Gauge above 3 bar
Also written as PRESSUREGAUGEABOVE3BAR — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Pressure Gauge above 3 bar 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 too much water inside it, causing the pressure to rise to a level where the safety valve must release the excess to prevent damage. (As reported on Baxi Combi Elite)
Pick your boiler brand for the Pressure Gauge above 3 bar fix
Source
Information for the Pressure Gauge above 3 bar 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