50 - 60 - 70 - 80 Low

Chaffoteaux 50 - 60 - 70 - 80 Fault Code

Also written as 50607080 — same fault.

The Chaffoteaux 50 - 60 - 70 - 80 fault code means: your boiler has detected very cold temperatures and has automatically turned on the pump to prevent the internal pipes from freezing.. It appears on 1 Chaffoteaux model in our database.

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.

Technical description: Antifrost mode on (pump in operation).

DIY fix possible

Ensure your main gas and electricity supplies remain switched onCheck that your internal room thermostat is turned up to a normal heating temperatureWait for the boiler to complete its cycle; the lights should turn off once the water temperature rises

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Chaffoteaux models that show the 50 - 60 - 70 - 80 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Chaffoteaux 50 - 60 - 70 - 80 fault code information on this page is sourced and cross-checked against the official Chaffoteaux service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026