How much does it cost to fix Worcester Bosch error code 314?

Typical repair cost for the Worcester Bosch 314 fault is £120-250 including labour.

314 High

Worcester Bosch 314 Fault Code

Q: What does the Worcester Bosch 314 fault code mean?

Your boiler has lost power while trying to resolve a safety shutdown, which has confused its internal computer. This is usually triggered by a power cut or a loose connection.

The Worcester Bosch 314 fault code means: your boiler has lost power while trying to resolve a safety shutdown, which has confused its internal computer. this is usually triggered by a power cut or a loose connection.. It appears on 2 Worcester Bosch models in our database.

Technical description: Mains disconnected during super lockout

Typical repair cost £120-250 (including labour)

Engineer required

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

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Worcester Bosch models that show the 314 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Worcester Bosch 314 fault code information on this page is sourced and cross-checked against the official Worcester Bosch service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026