Medium
GREEN blinking (0.5s) on Grant Vortex Eco External Floor Standing

Your boiler is currently undergoing a safety timing delay, which typically occurs after it has failed to ignite successfully on the first attempt.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

Safety time

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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