162 High

Boiler Fault Code 162

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 162 appears across 1 boiler brand and 26 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 an issue with how it clears exhaust gases or brings in fresh air, preventing it from firing up for safety. (As reported on Baxi EcoBlue)

Pick your boiler brand for the 162 fix

Source

Information for the 162 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