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Siemens SINUMERIK Controller
Program/G-code · Basic · 10-20 minutes
Siemens 16421 - Block angle programmed repeatedly in the block
It is not allowed to program more than one PHI or PSI angle for an orientation vector in the same block Control reaction: Correction block is reorganized. Interface signals are set. Alarm display.
16421
Siemens 16421 - Block angle programmed repeatedly in the block
Block angle programmed repeatedly in the block
It is not allowed to program more than one PHI or PSI angle for an orientation vector in the same block Control reaction: Correction block is reorganized. Interface signals are set. 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
- It is not allowed to program more than one PHI or PSI angle for an orientation vector in the same block
Troubleshooting Steps
- 1Modify part program.
- 2Clear alarm with NC START or RESET key and continue the program
Seeing Multiple Alarms?
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Always verify with your machine manual or a certified technician before performing service procedures.