Emergency
Flame on Potterton Ultra 2 50 DV

Your boiler is flagging that it detects a flame when it shouldn't be, which could indicate a sensor fault or an issue with the internal gas valve failing to shut off correctly.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

What the manual says

Manufacturer manual

Indicator light on control panel signaling flame presence

From this model's manual
Verified against the Potterton Ultra 2 50 Dv installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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