Medium
neon flashing (5th instance) on Potterton Performa 28i

Your boiler's control switch is currently stuck in the reset position, preventing it from starting up normally.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

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

Selector switch in reset position. If the neon does not extinguish go to sections H and K.

Engineer required

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

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