Neon flashing (Generic) High

Potterton Neon flashing (Generic) Fault Code

Also written as NEONFLASHINGGENERIC — same fault.

The Potterton Neon flashing (Generic) fault code means: your boiler has detected an internal error and has temporarily stopped working to protect itself, meaning you likely have no heating or hot water until it is reset or repaired.. It appears on 2 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: Flashing indicates a fault condition requiring reset or investigation in the primary/DHW/CH operational sequences.
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 Neon flashing (Generic) fault code

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

Source

Potterton Neon flashing (Generic) 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