S.96 Low

Boiler Fault Code S.96

Also written as S96 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code S.96 appears across 3 boiler brands and 45 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is temporarily pausing to perform a routine check on its internal temperature sensors before it can provide heating or hot water. (As reported on Glow-worm Ultracom 24cx 30cx)

Pick your boiler brand for the S.96 fix

Glow-worm S.96 12 models Heatline S.96 8 models Vaillant S.96 25 models

Source

Information for the S.96 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