FAILURE AT POINT S Emergency

Worcester Bosch FAILURE AT POINT S Fault Code

Also written as FAILUREATPOINTS — same fault.

The Worcester Bosch FAILURE AT POINT S fault code means: your boiler has detected that dangerous exhaust fumes are not leaving the flue correctly, causing it to overheat and shut down for your safety.. It appears on 1 Worcester Bosch model in our database.

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

Technical description: Burner fails to shutdown within 2 minutes if the flue is completely blocked when drawing DHW at max. rate, or if the flue spillage sensor temperature exceeds 93°C. Replace flue safety thermostat.
Typical repair cost £140-£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 FAILURE AT POINT S fault code

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

Source

Worcester Bosch FAILURE AT POINT S 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