BoilerFaultCodes 324-822 High
Boiler Fault Code 324-822
Also written as 324822 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 324-822 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's intake filter is blocked or restricted, preventing the fan from pulling in the correct amount of air for safe combustion. (As reported on Worcester Bosch 24i RSF)
Pick your boiler brand for the 324-822 fix
Source
Information for the 324-822 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