Error Messages

Table 14. Error messages

Error Number	Message	Typical Error Cause	Correction
8448	Identity mismatch	The application information on the target device and the HMI to not match.	Download to the HMI again in order to update the application information.
8449	Login failed	The communication settings are incorrect. The user name or password is not correct.	Check the communication settings for the target device. Make sure that the user name and password are correct.
8450	Login necessary	There is no connection to the controller.	Check the communication settings for the target device. Make sure that the user name and password are correct.
8452	The device cannot be reached.	The device is switched off. The communication settings are incorrect. The network connection does not work.	Make sure that the target device is switched on. Check the communication settings and the network connection to the target device.
8453	The device name is not unique.	Multiple devices with the same name were found in the target system.	Make sure that the target device has a unique name.
8454	No symbols available	Either no application has been downloaded to the target device, or an application with another symbol configuration.	Make sure that the application is downloaded with the correct symbol configuration to the target device.
8457	The connection is denied due to no resources.	All available communication channels of the target device are used.