Boiler Fault Code 1 10

Also written as 110 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026

Fault code 1 10 appears across 1 boiler brand and 14 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is struggling to accurately measure its own internal water temperature because the sensor responsible for this task is failing or its connection has been interrupted. (As reported on Ariston Egis)