How much does it cost to fix Worcester Bosch error code 288 CF?

Typical repair cost for the Worcester Bosch 288 CF fault is £120-220 including labour.

288 CF High

Worcester Bosch 288 CF Fault Code

Q: What does the Worcester Bosch 288 CF fault code mean?

Your boiler is struggling to read its own internal water levels because there is a loose wire or a faulty connection involving the sensor that checks the system pressure.

Also written as 288CF — same fault.

The Worcester Bosch 288 CF fault code means: your boiler is struggling to read its own internal water levels because there is a loose wire or a faulty connection involving the sensor that checks the system pressure.. It appears on 3 Worcester Bosch models in our database.

Technical description: Water pressure sensor not connected or short-circuit to supply

Typical repair cost £120-220 (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 288 CF fault code

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

Source

Worcester Bosch 288 CF 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