BoilerFaultCodesPotterton 80°C neon flashing Fault Code
Also written as 80CNEONFLASHING — same fault.
The Potterton 80°C neon flashing fault code means: your boiler is trying to start but keeps cutting out immediately after ignition, which means it cannot sustain a flame to keep your home warm.. It appears on 2 Potterton models in our database.
Technical description: Go to sections H and K - Spark at ignition electrode for up to 10 seconds / Burner lights / Burner extinguishes fault.
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 80°C neon flashing fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Potterton 80°C neon flashing 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