How much does it cost to fix Chaffoteaux error code E 36?

Typical repair cost for the Chaffoteaux E 36 fault is £150-350 including labour.

E 36 Emergency

Chaffoteaux E 36 Fault Code

Q: What does the Chaffoteaux E 36 fault code mean?

Your boiler has detected that the exhaust gases leaving the flue are getting dangerously hot, so it has shut itself down to prevent damage or safety hazards.

Also written as E36 — same fault.

The Chaffoteaux E 36 fault code means: your boiler has detected that the exhaust gases leaving the flue are getting dangerously hot, so it has shut itself down to prevent damage or safety hazards.. It appears on 1 Chaffoteaux model in our database.

Technical description: Flue pipe too high temperature

Typical repair cost £150-350 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Chaffoteaux models that show the E 36 fault code

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

Minima HE Repair: £150-350

Source

Chaffoteaux E 36 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