Emergency
30 - 40 - 50 - 60 - 70 - 80 on Chaffoteaux Minima MX2 24FF / 30FF

Your boiler has detected that it is getting dangerously hot and has shut itself down to prevent damage or fire risk.

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

What the manual says

Manufacturer manual

Overheating safety feature.

From this model's manual
Verified against the Chaffoteaux Minima Mx2 installation & service manual, page 12.
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 is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Find a Gas Safe engineer
Search the official register →

Avoid the next call-out bill

A cover plan would handle faults like 30 - 40 - 50 - 60 - 70 - 80: no call-out fees, no surprise bills.

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