Potterton Burner On (Green Light) Fault Code
Also written as BURNERONGREENLIGHT — same fault.
The Potterton Burner On (Green Light) fault code means: your boiler is working normally and is currently firing to heat your radiators or hot water.. It appears on 1 Potterton model in our database.
Technical description: This indicates that the Burner has fired up and is heating your system.
What causes the Potterton Burner On (Green Light) fault?
This is a normal operational status and not a mechanical failure. It occurs because the boiler’s internal controls have detected a demand for heat and have successfully ignited the burner to warm the water. Once your home reaches the desired temperature, this light will eventually turn off as the boiler enters standby mode.
You will see this more frequently during the winter months when your central heating is running for longer periods to keep your home warm.
DIY fix possible
This fault may be fixable without an engineer. Check your manual first.
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Gas Safe Register →Potterton models that show the Burner On (Green Light) fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Potterton Burner On (Green Light) 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