What causes Siemens SINUMERIK alarm 14910?

Programmer entered negative value for opening angle in circle definition. Opening angle programmed as 360 degrees or greater instead of values between 0 and 360. Decimal point misplaced causing unintended large angle value. CAM software generating incorrect aperture angle during post-processing. G-code syntax error in circle interpolation block with angle parameter.

How do I fix Siemens SINUMERIK alarm 14910?

1. Verify the opening angle parameter in the NC program block matches the alarm reference - confirm value is positive and less than 360 degrees 2. Review the programmed circle syntax and angle specification, checking for negative signs or values >= 360 3. Examine CAM post-processor settings if code was generated automatically to ensure aperture angle output is within valid range 4. Manually edit the offending block to use an opening angle between 0 and 360 degrees exclusive of 360 5. Clear the alarm and retry the program after correction, monitoring the first few circle interpolation moves

Siemens SINUMERIK codes

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Siemens SINUMERIK Controller

Servo/Axis · Basic · 10-20 minutes

Alarm 14910

Siemens 840D 14910 - Channel block invalid angle of aperture for programmed circle

When programming a circle by means of the opening angle, a negative opening angle or an opening angle greater than or equal to 360 degrees has been programmed.

Siemens SINUMERIKServo/AxisBasic10-20 minutes

14910

Siemens 840D 14910 - Channel block invalid angle of aperture for programmed circle

Channel block invalid angle of aperture for programmed circle

When programming a circle by means of the opening angle, a negative opening angle or an opening angle greater than or equal to 360 degrees has been programmed.

Safety

Refer to Siemens documentation
Ensure qualified technician performs repairs

Common Causes

Programmer entered negative value for opening angle in circle definition
Opening angle programmed as 360 degrees or greater instead of values between 0 and 360
Decimal point misplaced causing unintended large angle value
CAM software generating incorrect aperture angle during post-processing
G-code syntax error in circle interpolation block with angle parameter

Troubleshooting Steps

1Verify the opening angle parameter in the NC program block matches the alarm reference - confirm value is positive and less than 360 degrees
2Review the programmed circle syntax and angle specification, checking for negative signs or values >= 360
3Examine CAM post-processor settings if code was generated automatically to ensure aperture angle output is within valid range
4Manually edit the offending block to use an opening angle between 0 and 360 degrees exclusive of 360
5Clear the alarm and retry the program after correction, monitoring the first few circle interpolation moves

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