Medium
7 01 on Chaffoteaux Talia Green System

Your boiler has lost the connection to the temperature sensor responsible for a specific heating zone, meaning it cannot correctly control the temperature for that part of your home.

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

Sonde départ chauffage zone 2 ouverte court-circuitée

From this model's manual
Verified against the Chaffoteaux Talia Green System 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.

Engineer required

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

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