Siemens SINUMERIK codes
Siemens SINUMERIKServo/AxisBasic10-20 minutes

14210

Siemens 840D 14210 - Channel block polar angle too large

Channel block polar angle too large

In specifying the endpoints in a traversing block with G00, G01, G02 or G03 in polar coordinates, the value range of the polar angle programmed under the keyword AP=. has been exceeded. It covers the range from -360 to +360 degrees with a resolution of 0.001 degrees. Definition of terms: - Specifi

Safety

  • Refer to Siemens documentation
  • Ensure qualified technician performs repairs

Common Causes

  • Polar angle value programmed under AP parameter exceeds the -360 to +360 degree range
  • Decimal point error or unit conversion mistake in AP angle specification
  • Accumulated angle values from multiple blocks causing cumulative overflow
  • Incorrect polar coordinate syntax or parameter format in G-code block

Troubleshooting Steps

  1. 1Review the G-code block at the reported line number and verify the AP parameter value is within -360 to +360 degrees
  2. 2Check for decimal point errors or unit mismatches; confirm angle resolution does not exceed 0.001 degree precision
  3. 3If using incremental polar coordinates, verify that accumulated angle values across sequential blocks remain within valid range
  4. 4Correct the AP value by normalizing angles (e.g., converting 450 degrees to 90 degrees) or breaking multi-rotation moves into separate blocks
  5. 5Resubmit the corrected program and verify alarm clears during block parsing

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