Siemens SINAMICS V90 Error Code F1000

Siemens PLC & VFD Major System

Model: SINAMICS V90 | Code: F1000

Applicable Systems
S7-1200 S7-1500 S7-300 S7-400 LOGO! SINAMICS

Symptoms

Internal software error (general). The V90 firmware has encountered a general internal error. The drive stops and displays F1000.

Possible Causes

  • Firmware runtime error
  • Stack overflow or memory access violation
  • Unhandled exception in firmware
  • Hardware-software timing incompatibility

Troubleshooting Steps

  1. Step 1: Power-cycle the V90
    If F1000 clears, monitor for recurrence; if it returns, firmware reload needed
  2. Step 2: Reload firmware with the latest compatible version
    Firmware reload completes; F1000 does not recur
  3. Step 3: If F1000 recurs after firmware reload, the control board is defective
    Drive replacement required
  4. Step 4: Document the fault and circumstances for Siemens technical support
    Report includes fault code, firmware version, and operating conditions

How to Reset

1) Power cycle. 2) Reload firmware. 3) Contact Siemens support if persistent. 4) Replace drive if needed.

Frequently Asked Questions

  • Q: Should I contact Siemens support for F1000?

    Yes. F1000 indicates a firmware-level error. Siemens technical support may have a fix or patch. Provide the firmware version, hardware revision, and fault occurrence details.

  • Q: Can I continue running with F1000?

    No. The drive has entered a safe state and the motor is stopped. F1000 must be resolved before operation can resume.

Related Siemens Fault Codes

Source: Siemens SINAMICS V90 Operating Instructions, Edition 01/2023

Category: PLC & VFD