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

Typical repair cost for the Worcester Bosch Fault indication fault is £150-350 including labour.

Fault indication High

Worcester Bosch Fault indication Fault Code

Q: What does the Worcester Bosch Fault indication fault code mean?

Your boiler has lost all electrical power and has shut down completely, so it is currently unable to provide heating or hot water.

Also written as FAULTINDICATION — same fault.

The Worcester Bosch Fault indication fault code means: your boiler has lost all electrical power and has shut down completely, so it is currently unable to provide heating or hot water.. It appears on 1 Worcester Bosch model in our database.

Technical description: No power at control board

Typical repair cost £150-350 (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 Fault indication fault code

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

Greenstar 12i System Repair: £150-350

Source

Worcester Bosch Fault indication 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