Emergency
A 36 on Chaffoteaux Minima HE System 30

Your boiler has detected that the gases leaving the exhaust flue are much hotter than they should be, causing the system to shut down for safety.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

Flue pipe too high temperature

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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 is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

A 33View →A 34View →

All 34 fault codes on the Minima HE System 30

Seeing a different code? Every code this model can display, in one place.

A 01A 03A 37A 39A 40A 41E 02E 04E 05E 06E 07E 08E 11E 12E 13E 14E 15E 16E 18E 20E 22E 23E 25E 26E 27E 29E 30E 33E 34E 35E 36E 37E 38

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