Medium
722 on Ariston Genus ONE+ WiFi

Your boiler has detected that the temperature in your secondary heating zone, such as an upstairs floor or an extension, is getting too hot and has shut down as a safety precaution.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Zone 2 overheating

Shared across the range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check that all radiator valves in Zone 2 are turned fully open.Ensure there are no obstructions like furniture blocking airflow to these radiators.Restart the boiler using the Reset button to see if the fault clears.

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Related fault codes

702View →712View →723View →

All 18 fault codes on the Genus ONE+ WiFi

Seeing a different code? Every code this model can display, in one place.

101103104105106112114162301302303304313504701702703

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