BoilerFaultCodes rE02 High
Boiler Fault Code rE02
Also written as RE02 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code rE02 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 that the water pressure in the system is too low or the pressure sensor settings are incorrect, causing the unit to stop working. (As reported on Warmhaus Enerwa / Priwa)
Pick your boiler brand for the rE02 fix
Source
Information for the rE02 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