BoilerFaultCodes F0 238 High
Boiler Fault Code F0 238
Also written as F0238 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F0 238 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 computer is experiencing a internal processing error and has shut down to prevent damage, meaning you currently have no heating or hot water. (As reported on Worcester Bosch Greenstar Ri)
Pick your boiler brand for the F0 238 fix
Source
Information for the F0 238 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