Low
50 - 60 - 70 - 80 on Chaffoteaux Minima MX2 24FF / 30FF

Your boiler has detected very cold temperatures and has automatically turned on the pump to prevent the internal 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

Antifrost mode on (pump in operation).

From this model's manual
Verified against the Chaffoteaux Minima Mx2 installation & service manual.
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

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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Avoid the next call-out bill

A cover plan would handle faults like 50 - 60 - 70 - 80: no call-out fees, no surprise bills.

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