NTC heating probe High
Boiler Fault Code NTC heating probe
Also written as NTCHEATINGPROBE — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code NTC heating probe 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 has stopped working because a sensor that measures water temperature is providing an incorrect reading or has failed, causing the system to shut down for safety. (As reported on Vokera Compact 28 SE)
Pick your boiler brand for the NTC heating probe fix
Source
Information for the NTC heating probe 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