An error was detected with regard to an inactive SMO during the state change between the ‘condition as supplied’ and ‘functional commissioning’. The state change can take place with the following actions: While configuring functional commissioning (P-0-3201), After switching on the control voltage during the first run-up, When activating the SMO, When activating the parameter image (C8300). The cause of the error can be read via the detailed diagnostics.