Siemens SINUMERIK codes
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Siemens SINUMERIK Controller

Servo/Axis · Intermediate · 20-45 minutes

Alarm 61203

Siemens 840D 61203 - Channel block: No position cycle

No positioning cycle was programmed in the machining block. Alarm triggered by following cycles: E_MANAGE, F_MANAGE.

Siemens SINUMERIKServo/AxisIntermediate20-45 minutes

61203

Siemens 840D 61203 - Channel block: No position cycle

Channel block: No position cycle

No positioning cycle was programmed in the machining block. Alarm triggered by following cycles: E_MANAGE, F_MANAGE.

Safety

  • Refer to Siemens documentation
  • Ensure qualified technician performs repairs

Common Causes

  • Missing or incomplete positioning cycle definition in the NC program block
  • Incorrect syntax in the positioning cycle command
  • Positioning cycle called but not activated in E_MANAGE or F_MANAGE function
  • Program block references undefined or deleted positioning cycle
  • Incompatible cycle parameters or missing mandatory cycle arguments

Troubleshooting Steps

  1. 1Verify the NC program block contains a valid positioning cycle command with correct syntax for the E_MANAGE or F_MANAGE function being called
  2. 2Check the cycle definition library to ensure the referenced positioning cycle exists and is properly declared
  3. 3Review program logic to confirm the positioning cycle is activated before E_MANAGE or F_MANAGE execution
  4. 4Examine all cycle parameters and verify mandatory arguments are provided and within valid ranges
  5. 5Clear the alarm, reload the NC program, and execute a single block test to isolate the problematic block

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