Emergency
16 Per Sec on Potterton Prima 30B

Your boiler is failing to ignite the gas properly, which means it continuously tries to spark and release gas without successfully starting.

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

Gas and Sparks ON

From this model's manual
Verified against the Potterton Prima 30b 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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