Siemens SINUMERIK codes
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Siemens SINUMERIK Controller

Program/G-code · Intermediate · 30-60 minutes

Alarm 61739

Siemens 61739 - Blank must be closed contour

Control reaction: Interpreter stop NC Start disable in this channel. Interface signals are set. Alarm display.

Siemens SINUMERIKProgram/G-codeIntermediate30-60 minutes

61739

Siemens 61739 - Blank must be closed contour

Blank must be closed contour

Control reaction: Interpreter stop NC Start disable in this channel. 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.

Troubleshooting Steps

  1. 1Check whether the blank contour is closed
  2. 2Clear alarm with the RESET key. Restart part program

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