Siemens SINUMERIK codes
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Siemens SINUMERIK Controller
Program/G-code · Intermediate · 30-120 minutes
Alarm 129908
Siemens 129908 - : Unable to determine active channels.
The active channels of the specified NCU could not be determined
Siemens SINUMERIKProgram/G-codeIntermediate30-120 minutes
129908
Siemens 129908 - : Unable to determine active channels.
: Unable to determine active channels.
The active channels of the specified NCU could not be determined
Safety
- Only qualified personnel should diagnose and clear control alarms; follow the machine builder's safety procedures and lockout/tagout where hardware work is required.
Common Causes
- The active channels of the specified NCU could not be determined
Troubleshooting Steps
- 1Connect to the NCU and restart the PCU if required
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Always verify with your machine manual or a certified technician before performing service procedures.