Burner On Low

Potterton Burner On Fault Code

Also written as BURNERON — same fault.

The Potterton Burner On fault code means: your boiler is working normally and the burner is currently lit to provide heating or hot water.. It appears on 3 Potterton models in our database.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description: Green neon illuminated - Burner is operating

What causes the Potterton Burner On fault?

This is not a fault, but rather a status indicator showing that the gas burner is physically firing. It occurs whenever there is a demand for heat, such as when you turn up your thermostat or open a hot water tap. The green light confirms that the boiler's internal sequence has successfully ignited the gas to begin heating the water in the system.

DIY fix possible

This fault may be fixable without an engineer. Check your manual first.

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Potterton models that show the Burner On fault code

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

Source

Potterton Burner On 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