713 Medium

Boiler Fault Code 713

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code 713 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 has lost the ability to monitor the temperature of water returning from your third heating zone, which may prevent that specific area from heating up correctly. (As reported on Ariston Alteas One)

Pick your boiler brand for the 713 fix

Source

Information for the 713 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