Siemens SINUMERIK codes
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Siemens SINUMERIK Controller

Servo/Axis · Intermediate · 30-60 minutes

Alarm 8044

Siemens 840D 8044 - Option for IPO cycle time ms not set

The option for activation of an IPO cycle time of ms has not been set. Option - Permiss. IPO cycle time: - Option-free >= 8ms - 1. 1st step >= 6ms - 2. 2nd step >= 4ms - 3. 3rd step >= 2ms - 4. 4th step <2ms

Siemens SINUMERIKServo/AxisIntermediate30-60 minutes

8044

Siemens 840D 8044 - Option for IPO cycle time ms not set

Option for IPO cycle time ms not set

The option for activation of an IPO cycle time of ms has not been set. Option - Permiss. IPO cycle time: - Option-free >= 8ms - 1. 1st step >= 6ms - 2. 2nd step >= 4ms - 3. 3rd step >= 2ms - 4. 4th step <2ms

Safety

  • Refer to Siemens documentation
  • Ensure qualified technician performs repairs

Common Causes

  • Machine parameter for IPO cycle time option not activated in commissioning data
  • Incorrect option level selected in machine data - does not match requested cycle time
  • CNC software version does not support the requested IPO cycle time
  • Machine data file corrupted or not properly loaded after system restart
  • Mismatch between NC program demanded cycle time and licensed machine capability

Troubleshooting Steps

  1. 1Verify the requested IPO cycle time in the active NC program matches machine capabilities and licensed option level
  2. 2Access machine data parameters and confirm the IPO cycle time option level (0-4) is correctly set according to required cycle time: 0=8ms, 1=6ms, 2=4ms, 3=2ms, 4=<2ms
  3. 3Cross-reference the option level setting with the machine license key to ensure the hardware supports the selected cycle time
  4. 4Reload machine data from commissioning file or backup and perform a controlled restart of the CNC
  5. 5Contact Siemens or OEM if cycle time requirement exceeds licensed capability, or modify NC program to use supported cycle time

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