High
113 on Worcester Bosch Greenstar i Junior

Your boiler has detected an incorrect or malfunctioning internal configuration plug, which prevents it from operating correctly.

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

12kW LPG with internal diverter valve code plug

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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