Siemens SINAMICS G120 Error Code F31149

Siemens PLC & VFD Minor Encoder

Model: SINAMICS G120 | Code: F31149

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

Symptoms

Encoder version incompatible: firmware version mismatch.

Possible Causes

  • Encoder firmware outdated
  • Encoder hardware revision mismatch
  • Drive firmware incompatible

Troubleshooting Steps

  1. Step 1: Check encoder firmware version
    Version compatible with drive
  2. Step 2: Update encoder firmware if possible
    Firmware current
  3. Step 3: Replace encoder if incompatible
    New encoder compatible

How to Reset

Reset via operator panel after encoder version is compatible.

Related Siemens Fault Codes

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Source: Siemens SINAMICS G120 List Manual

Category: PLC & VFD