How much does it cost to fix Potterton error code green light flashes rapidly?

Typical repair cost for the Potterton green light flashes rapidly fault is £150-300 including labour.

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Potterton green light flashes rapidly Fault Code

Q: What does the Potterton green light flashes rapidly fault code mean?

Your boiler is attempting to start but failing to stay lit, which means it cannot provide heat or hot water reliably. This is likely due to the system detecting a failure in the ignition process.

Also written as GREENLIGHTFLASHESRAPIDLY — same fault.

The Potterton green light flashes rapidly fault code means: your boiler is attempting to start but failing to stay lit, which means it cannot provide heat or hot water reliably. this is likely due to the system detecting a failure in the ignition process.. It appears on 6 Potterton models in our database.

Technical description: Gas valves open and ignition for 3 seconds

Typical repair cost £150-300 (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 green light flashes rapidly fault code

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

Source

Potterton green light flashes rapidly 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