10.16 Medium
Boiler Fault Code 10.16
Also written as 1016 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 10.16 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 is displaying a technical system parameter rather than a breakdown error, usually indicating a configuration or communication issue between internal components. (As reported on Glow-worm EnergySaver)
Pick your boiler brand for the 10.16 fix
Source
Information for the 10.16 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