BoilerFaultCodes 52124 High
Boiler Fault Code 52124
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 52124 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 temperature sensors have likely been plugged into the wrong sockets or have developed a wiring fault, meaning the system cannot accurately track how hot the water is. (As reported on Worcester Bosch Greenstar CDi Compact)
Pick your boiler brand for the 52124 fix
Source
Information for the 52124 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