Siemens SINAMICS G120 Error Code F31160

Siemens PLC & VFD Major Encoder

Model: SINAMICS G120 | Code: F31160

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

Symptoms

Encoder synchronization error: encoder sync lost.

Possible Causes

  • Encoder sync signal lost
  • Clock synchronization fault
  • Communication timing error

Troubleshooting Steps

  1. Step 1: Check encoder sync signal
    Signal present
  2. Step 2: Verify clock synchronization
    Synchronized correctly
  3. Step 3: Check communication timing
    Timing within spec

How to Reset

Reset via operator panel after encoder sync is restored.

Related Siemens Fault Codes

Source: Siemens SINAMICS G120 List Manual

Category: PLC & VFD