Boiler Fault Code d.92

Also written as D92 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026

Fault code d.92 appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning This code is simply a status message indicating how your heating and hot water timer settings are currently configured, rather than a sign that your boiler is broken. (As reported on Glow-worm Ultracom hxi)