BoilerFaultCodes Error 50 High
Boiler Fault Code Error 50
Also written as ERROR50 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Error 50 appears across 1 boiler brand and 2 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 it can no longer accurately read the temperature of the water being heated, so it has shut down as a precaution. (As reported on Potterton Titanium)
Pick your boiler brand for the Error 50 fix
Source
Information for the Error 50 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