What does the Worcester Bosch 2911 fault code mean?

Your boiler's internal computer has failed to automatically adjust its settings to ensure it burns gas safely and efficiently.

How much does it cost to fix Worcester Bosch error code 2911?

Typical repair cost for the Worcester Bosch 2911 fault is £150-250 including labour.

Manufacturer manual

Calibration failed

From this model's manual

Verified against the Worcester Bosch/Worcester Bosch Wb 45175 installation & service manual.

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Boiler cover options

A cover plan would handle faults like 2911: no call-out fees, no surprise bills.

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Seeing a different code? Every code this model can display, in one place.

Older boilers: thermocouple, draught or gas supply.

7 signs repair isn't worth it anymore.

Break-even maths on monthly cover.