Medium
7 22 on Ariston E-Combi One 24

Your home's secondary heating area has become too hot, causing the boiler to shut down that specific part of the system for safety.

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

From this model's manual
Verified against the Ariston E Combi One 24 installation & service manual, page 39.
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 fully open and not turned to zero.Ensure there are no obstructions around the vents or localized heaters in that zone.Try resetting the boiler via the 'Reset' button on the front panel.

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