High
neon flashing (1st instance) on Potterton Performa 28i

Your boiler is failing to stay lit because it cannot detect that a flame has been successfully established.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

What the manual says

Manufacturer manual

Burner extinguishes after 10 seconds. Go to section ‘I’

From this model's manual
Verified against the Potterton Boiler Performa 28i 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 high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Boiler cover options

Avoid the next call-out bill

A cover plan would handle faults like neon flashing (1st instance): no call-out fees, no surprise bills.

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