What does the Potterton Flame Failure (Red Light) fault code mean?

Your boiler has tried to light but failed to stay on, meaning the system has shut down for safety until it is reset or repaired.

How much does it cost to fix Potterton error code Flame Failure (Red Light)?

Typical repair cost for the Potterton Flame Failure (Red Light) fault is £120-350 including labour.

Can I fix Potterton fault code Flame Failure (Red Light) myself?

Check that your gas supply is active (check other gas appliances like a hob)

Potterton Flame Failure (Red Light) Fault Code: What It Means & How to Fix It

Technical description

If Flame Failure Light is ON. Press the Reset Button. If Flame Failure occurs persistently consult your Installer or Service Engineer.

What causes this fault?

This fault occurs when the boiler's internal sensor fails to detect a steady flame after several ignition attempts. The most common reasons include a lack of gas reaching the burner, dirty electrodes that can no longer spark correctly, or a faulty sensor that cannot 'see' the flame even if it has lit.

This fault is more common during the first cold snap of winter when components that have been idle all summer are suddenly forced to work under high demand.

Engineer required

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

Find a Gas Safe engineer

Search the official register →

Your boiler has tried to light but failed to stay on, meaning the system has shut down for safety until it is reset or repaired.

Technical description

What causes this fault?

Engineer required

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