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Siemens SINUMERIK Controller
Program/G-code · Intermediate · 30-120 minutes
Siemens 10955 - Block curve table : missing master axis motion
A slave axis motion has been programmed without a master axis motion. This can also occur if, with active radius compensation, a block is created in which the slave axis moves but not the master axis. The alarm is for information only and can be suppressed by setting MD20900 $MC_CTAB_ENABLE_NO_LEADMOTION = 2 Control reaction: Alarm display.
10955
Siemens 10955 - Block curve table : missing master axis motion
Block curve table: missing master axis motion
A slave axis motion has been programmed without a master axis motion. This can also occur if, with active radius compensation, a block is created in which the slave axis moves but not the master axis. The alarm is for information only and can be suppressed by setting MD20900 $MC_CTAB_ENABLE_NO_LEADMOTION = 2 Control reaction: Alarm display.
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
- A slave axis motion has been programmed without a master axis motion.
- This can also occur if, with active radius compensation, a block is created in which the slave axis moves but not the master axis.
- The alarm is for information only and can be suppressed by setting MD20900 $MC_CTAB_ENABLE_NO_LEADMOTION = 2
Troubleshooting Steps
- 1Alarm can be switched off via MD20900 $MC_CTAB_ENABLE_NO_LEADMOTION = 2.
- 2Clear alarm with NC START or RESET key and continue the program. Continuation: Alarms
Seeing Multiple Alarms?
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