Low
114 on Ariston Genus ONE+ WiFi

Your boiler has lost its connection to the outside temperature sensor, which means it cannot automatically adjust its settings based on the weather outdoors.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

External temperature sensor open or short circuit

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.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

All 18 fault codes on the Genus ONE+ WiFi

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

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