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.

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.

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

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Almost always a stuck diverter valve on combis.

Each noise points to a different fault.

Sludge build-up — needs flushing, not bleeding.