F0238 High
Boiler Fault Code F0238
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F0238 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's internal computer memory chip has developed a fault, preventing the system from identifying itself and operating safely. (As reported on Worcester Bosch GB162)
Pick your boiler brand for the F0238 fix
Source
Information for the F0238 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