Medium
265 on Worcester Bosch 1000

Your boiler is temporarily turning itself off because your radiators or taps aren't taking away the heat as fast as the boiler is producing it, often due to poor water flow.

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

Heat demand lower than energy supplied

What causes this fault?

Energy imbalance

Engineer required

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

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