Flame Failure High

Potterton Flame Failure Fault Code

Also written as FLAMEFAILURE — same fault.

The Potterton Flame Failure fault code means: your boiler has stopped working because it cannot light its internal flame, which means you currently have no heating or hot water.. It appears on 4 Potterton models in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Burner failing to light, incomplete lighting of the burner, or blockage of the condensate drain
Typical repair cost £120-250 (including labour)

Engineer required

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

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Potterton models that show the Flame Failure fault code

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

Source

Potterton Flame Failure fault code information on this page is sourced and cross-checked against the official Potterton service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026