F00060

Asic Timeout

Siemens · SINAMICS G120

What does F00060 mean?

An internal communication failure between the inverter's power module and control unit has occurred, indicated by an ASIC timeout. This can be caused by loose connections, electromagnetic interference (EMC), or a faulty internal component, leading to a loss of control and drive shutdown, impacting operational reliability.

Common Causes

  • Loose or corroded ribbon cable connection between the control unit and the power module (e.g., X121, X122 connectors).
  • Heavy electromagnetic interference (EMI) disrupting internal communication signals (e.g., from unshielded power cables, poor grounding).
  • Faulty control unit (CU) or power module (PM) preventing proper ASIC communication.
  • Damage to the internal communication bus or ASIC chip on either the control unit or power module.
  • Insufficient auxiliary power supply to the control unit or communication ASICs.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    De-energize the drive and ensure the control unit is securely seated and locked into the power module chassis.

  2. 2

    Carefully inspect and re-seat all internal ribbon cables (e.g., between CU and PM) for firm connection and no visible damage.

  3. 3

    Check the drive's grounding connections (e.g., main PE terminal) to ensure effective EMI suppression.

  4. 4

    Measure the auxiliary power supply voltages (e.g., 24VDC, 5VDC) on the control unit for stability and correct levels.

  5. 5

    Isolate the drive from potential external EMI sources by checking cable routing and shielding integrity.

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Verified technical data. Last updated: March 2026

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