Siemens SINUMERIK codes
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Siemens SINUMERIK Controller

Program/G-code · Intermediate · 30-120 minutes

Alarm 16909

Siemens 16909 - Action <ALNX> not allowed in current mode

A different operating mode must be activated for the activated function Control reaction: Alarm display.

Siemens SINUMERIKProgram/G-codeIntermediate30-120 minutes

16909

Siemens 16909 - Action <ALNX> not allowed in current mode

Action <ALNX> not allowed in current mode

A different operating mode must be activated for the activated function 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 different operating mode must be activated for the activated function

Troubleshooting Steps

  1. 1Check operation and operating state.
  2. 2Clear alarm with the Delete key or NC START

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Always verify with your machine manual or a certified technician before performing service procedures.