Siemens SINUMERIK codes
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Siemens SINUMERIK Controller

Communication · Intermediate · 30-120 minutes

Alarm 400553

Siemens 840D 400553 - Fault on PROFINET bus

Siemens SINAMICS drive alarm 400553: Fault on PROFINET bus. This alarm indicates a fault condition in the SINAMICS servo drive system. Refer to the Siemens SINAMICS fault list documentation for the complete remedy.

Siemens SINUMERIKCommunicationIntermediate30-120 minutes

400553

Siemens 840D 400553 - Fault on PROFINET bus

Fault on PROFINET bus

Siemens SINAMICS drive alarm 400553: Fault on PROFINET bus. This alarm indicates a fault condition in the SINAMICS servo drive system. Refer to the Siemens SINAMICS fault list documentation for the complete remedy.

Safety

  • Refer to Siemens documentation
  • Ensure qualified technician performs repairs

Common Causes

  • SINAMICS drive hardware fault requiring investigation
  • Drive parameter configuration error
  • Axis motor or feedback system fault triggering drive protection
  • Communication fault on the drive bus
  • Power supply issue affecting the drive module

Troubleshooting Steps

  1. 1Check the SINAMICS drive for active fault codes in the diagnostics screen.
  2. 2Power cycle the machine to clear transient faults.
  3. 3Review SINAMICS parameters for the affected drive axis.
  4. 4Check the SINUMERIK axis diagnostics for related NC alarms.
  5. 5Consult the Siemens SINAMICS alarm manual for alarm 400553 complete remedy.

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