How much does it cost to fix Potterton error code 30°C neon flashing?

Typical repair cost for the Potterton 30°C neon flashing fault is £150-300 including labour.

30°C neon flashing High

Potterton 30°C neon flashing Fault Code

Q: What does the Potterton 30°C neon flashing fault code mean?

Your boiler is struggling to circulate water properly, which means it cannot produce hot water or heating until the internal pump is moving again.

Also written as 30CNEONFLASHING — same fault.

The Potterton 30°C neon flashing fault code means: your boiler is struggling to circulate water properly, which means it cannot produce hot water or heating until the internal pump is moving again.. It appears on 1 Potterton model in our database.

Technical description: Go to section ‘B’ - Pump not running or flow issues.

Typical repair cost £150-300 (including labour)

Engineer required

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

Find a Gas Safe engineer

Search the official register for a qualified engineer in your area.

Gas Safe Register →

Potterton models that show the 30°C neon flashing fault code

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

Performa 24 Repair: £150-300

Source

Potterton 30°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 27 April 2026