HEIDENHAIN PWM 20 - Manual (Page 49)

50 HEIDENHAIN ATS Software User's Manual
8 Open the directory tree "Parameters of encoder manufacturer".
Scroll down in the directory and open the directory branches
 Support of error messages
or
 Support of warnings
Supported error messages and warnings are distinguished by "Yes".
Note
For detailed information on the encoder status please refer to the EnDat interface manual.