How much does it cost to fix Worcester Bosch error code ECO-button flashing?

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

ECO-button flashing High

Worcester Bosch ECO-button flashing Fault Code

Q: What does the Worcester Bosch ECO-button flashing fault code mean?

Your boiler has detected a general internal fault and has automatically stopped running to prevent further damage.

Also written as ECOBUTTONFLASHING — same fault.

The Worcester Bosch ECO-button flashing fault code means: your boiler has detected a general internal fault and has automatically stopped running to prevent further damage.. It appears on 1 Worcester Bosch model in our database.

Technical description: Fault Condition. Press and hold-in to reset the appliance.

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 ECO-button flashing fault code

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

ZB 7 27 HE Repair: £120-250

Source

Worcester Bosch ECO-button flashing 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