BoilerFaultCodes F0 237-239 High
Boiler Fault Code F0 237-239
Also written as F0237239 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F0 237-239 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’s internal computer is experiencing a communication error and has safely shut down to prevent further damage. (As reported on Worcester Bosch Greenstar CDi Compact)
Pick your boiler brand for the F0 237-239 fix
Source
Information for the F0 237-239 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