What does the Worcester Bosch 2956 O fault code mean?

Your boiler's internal settings or water system configuration have not been properly recognized, which stops it from operating correctly.

How much does it cost to fix Worcester Bosch error code 2956 O?

Typical repair cost for the Worcester Bosch 2956 O fault is £90-180 including labour.

Manufacturer manual

Hydraulic configuration at the boiler activated

From this model's manual

Verified against the Worcester Bosch/Worcester Bosch Wb 47848 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 2956 O: no call-out fees, no surprise bills.

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

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Break-even maths on monthly cover.

What a UK service costs and what a proper one includes.