High
13 on Johnson Starley C16u

Your boiler has disabled the reset button because it was pressed too many times in a short period, likely due to an underlying fault causing repeated lockouts.

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

Remote reset lockout. Exceeded 5 remote resets per hour.

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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