Siemens SINAMICS G120 Error Code F07905

Siemens PLC & VFD Major Motor

Model: SINAMICS G120 | Code: F07905

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

Symptoms

Load surge detected: sudden load change.

Possible Causes

  • Sudden load increase
  • Mechanical jam or shock load
  • Process disturbance

Troubleshooting Steps

  1. Step 1: Check for mechanical shock loads
    No sudden load changes
  2. Step 2: Verify mechanical system integrity
    System intact
  3. Step 3: Adjust torque limits if needed
    Limits appropriate for load

How to Reset

Reset via operator panel after load stabilizes.

Related Siemens Fault Codes

Source: Siemens SINAMICS G120 List Manual

Category: PLC & VFD