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Siemens SINUMERIK Controller
Servo/Axis · Basic · 10-20 minutes
Siemens 840D 120302 - The selection is not possible. A program has to have been edited first via
A program can only be selected via the hardkey program if a program has already been edited in the program area.
120302
Siemens 840D 120302 - The selection is not possible. A program has to have been edited first via
The selection is not possible. A program has to have been edited first via
A program can only be selected via the hardkey program if a program has already been edited in the program area.
Safety
- Refer to Siemens documentation
- Ensure qualified technician performs repairs
Common Causes
- No program exists in the program memory or working directory
- Attempting to select a program before entering edit mode or creating a new program
- Program was deleted or cleared from memory without saving
- Working directory is empty or pointing to an invalid location
- User permissions prevent access to existing program files
Troubleshooting Steps
- 1Create or load a program into the editor first by navigating to Program > New or Program > Open, then edit and save it before attempting selection via hardkey
- 2Verify the working directory path is valid and contains program files by checking Settings > File Management > Working Directory
- 3Check that at least one program has been edited and saved in the current session or workspace
- 4Clear the alarm and retry the program selection after confirming a program exists in memory
- 5If programs are missing, restore from backup or recreate a simple test program to establish a valid working environment
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Always verify with your machine manual or a certified technician before performing service procedures.