Low
05 on Chaffoteaux Centora Green System 30

Your boiler has detected that the temperature is low and has automatically switched on its internal pump to keep the water moving and prevent pipes from freezing.

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

Anti freezing system, pump on

Community-sourced, unverified
We could not tie this code to a specific manual. Treat it as indicative only.
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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Avoid the next call-out bill

A cover plan would handle faults like 05: no call-out fees, no surprise bills.

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Related fault codes

All 14 fault codes on the Centora Green System 30

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