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

Typical repair cost for the Worcester Bosch Sensor Fault fault is £120-200 including labour.

Sensor Fault High

Worcester Bosch Sensor Fault Fault Code

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

Your boiler is struggling to accurately measure the temperature of the water, which means it has stopped heating because it is unsure if it is safe to do so.

Also written as SENSORFAULT — same fault.

The Worcester Bosch Sensor Fault fault code means: your boiler is struggling to accurately measure the temperature of the water, which means it has stopped heating because it is unsure if it is safe to do so.. It appears on 2 Worcester Bosch models in our database.

Technical description: DHW sensor or CH sensor resistance (between 1 kohm and 30 kohm) or harness continuity.

Typical repair cost £120-200 (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 Sensor Fault fault code

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

Source

Worcester Bosch Sensor Fault 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