Siemens SINAMICS G120 Error Code F31158

Siemens PLC & VFD Major Encoder

Model: SINAMICS G120 | Code: F31158

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

Symptoms

Encoder data out of range: encoder value exceeds expected range.

Possible Causes

  • Encoder mechanical overrange
  • Encoder scale mismatch
  • Signal noise

Troubleshooting Steps

  1. Step 1: Verify encoder mechanical range
    Range within expected
  2. Step 2: Check encoder scale factor
    Scale factor correct
  3. Step 3: Eliminate signal noise
    Signal clean

How to Reset

Reset via operator panel after encoder range is corrected.

Related Siemens Fault Codes

Source: Siemens SINAMICS G120 List Manual

Category: PLC & VFD