High
Burner reset light red fast flash (0.2s) on Grant Vortex Blue

Your boiler has tried to start several times but keep losing its flame, so it has locked itself for safety reasons.

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

Lockout: maximum re-lights reached — flame lost, burner restarted 3 times then locked out

From this model's manual
Verified against the Grant Vortexblue Doc0131 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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