BoilerFaultCodesWorcester Bosch 132 Fault Code
The Worcester Bosch 132 fault code means: your boiler has detected a new smart accessory or controller has been connected to its communication system and needs to be formally recognised.. It appears on 1 Worcester Bosch model in our database.
Technical description: Fault 11 System configuration: new BUS device: New ISM detected
DIY fix possible
Ensure any recently installed thermostat or smart accessory is wired correctlySwitch the boiler off at the fused spur for 60 secondsTurn the power back on to force the boiler to re-scan for connected devices
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Worcester Bosch models that show the 132 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Worcester Bosch 132 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 7 July 2026