High
GREEN blinking on Grant Vortex Eco

Your boiler is struggling to light itself correctly because the internal firing mechanism is becoming partially blocked or worn out.

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.

Technical description

Burner starts with an ignition delay. The ignition electrodes are wrongly positioned; Air output is too high; Nozzle dirty or worn.

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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