BoilerFaultCodes F0 237 High
Boiler Fault Code F0 237
Also written as F0237 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F0 237 appears across 1 boiler brand and 9 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has experienced a serious internal electronic failure, meaning the main control board can no longer communicate with the boiler's components. (As reported on Worcester Bosch Junior 28i)
Pick your boiler brand for the F0 237 fix
Source
Information for the F0 237 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