How much does it cost to fix Worcester Bosch error code Failure at point K?

Typical repair cost for the Worcester Bosch Failure at point K fault is £120-£250 including labour.

Failure at point K High

Worcester Bosch Failure at point K Fault Code

Q: What does the Worcester Bosch Failure at point K fault code mean?

Your boiler is not detecting when you turn on the hot tap, so it isn't starting the process to heat your water.

Also written as FAILUREATPOINTK — same fault.

The Worcester Bosch Failure at point K fault code means: your boiler is not detecting when you turn on the hot tap, so it isn't starting the process to heat your water.. It appears on 1 Worcester Bosch model in our database.

Technical description: Domestic Hot Water Mode: DEMAND indicator does not illuminate or pump does not run. Checks include flow rate (> 2.6 litres/min) and flow switch functionality.

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 Failure at point K fault code

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

24CDi BF Repair: £120-£250

Source

Worcester Bosch Failure at point K 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