axismd.ai
Siemens SINUMERIK Controller
Program/G-code · Intermediate · 30-120 minutes
Siemens 840D 10940 - Channel block curve table: delete/overwrite not possible
Siemens SINUMERIK alarm 10940: Channel block curve table: delete/overwrite not possible. This alarm indicates a fault or error condition on the SINUMERIK 840D control. Refer to the Siemens SINUMERIK alarm documentation for the complete description and remedy.
10940
Siemens 840D 10940 - Channel block curve table: delete/overwrite not possible
Channel block curve table: delete/overwrite not possible
Siemens SINUMERIK alarm 10940: Channel block curve table: delete/overwrite not possible. This alarm indicates a fault or error condition on the SINUMERIK 840D control. Refer to the Siemens SINUMERIK alarm documentation for the complete description and remedy.
Safety
- Refer to Siemens documentation
- Ensure qualified technician performs repairs
Common Causes
- Parameter or machine data configuration error
- Hardware fault on the NC or drive component
- Part program error or illegal command
- Communication fault between NC and drive or I/O modules
- Software or firmware error requiring system restart
Troubleshooting Steps
- 1Note the complete alarm text including any axis, channel, or block number values.
- 2Check for related alarms active simultaneously in the SINUMERIK alarm list.
- 3Power cycle the machine to clear transient faults.
- 4Review the SINUMERIK machine data for parameters related to the alarm.
- 5Consult the Siemens SINUMERIK alarm manual for alarm 10940 detailed remedy.
Seeing Multiple Alarms?
Seeing another alarm with this one? Enter the code.
Get machine-aware diagnosis
AxisMD logs alarms against your actual machines, tracks patterns, and gives AI context your manual doesn't have.
Start freeWas this guide helpful?
Always verify with your machine manual or a certified technician before performing service procedures.