High
84 on Alpha Intec 50CS

Your boiler is not receiving enough gas to run at full power, so it has automatically limited its own performance to keep you safe.

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

Combustion fault - Boiler operating in reduced output mode. A low supply pressure is detected on the gas line. As a result the appliance output is limited and the error code is displayed

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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Related fault codes

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