BoilerFaultCodes 316 High
Boiler Fault Code 316
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 316 appears across 1 boiler brand and 4 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has detected that the temperature of the exhaust gases leaving the unit is higher than safe limits, so it has turned itself off to prevent overheating. (As reported on Worcester Bosch Greenstar 12i System)
Pick your boiler brand for the 316 fix
Source
Information for the 316 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