CM190 Low
Boiler Fault Code CM190
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code CM190 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 This code is not actually a fault, but an information message indicating the current temperature setting for your heating zone. (As reported on Baxi 400 Combi 2)
Pick your boiler brand for the CM190 fix
Source
Information for the CM190 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