Siemens SINAMICS G120 Error Code F30038

Siemens PLC & VFD Major Hardware

Model: SINAMICS G120 | Code: F30038

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

Symptoms

Power module current measurement fault.

Possible Causes

  • Current sensor failure
  • Measurement circuit fault
  • ADC failure

Troubleshooting Steps

  1. Step 1: Check current sensor output
    Signal present and correct
  2. Step 2: Verify measurement circuit
    Circuit intact
  3. Step 3: Replace power module if sensor faulty
    New module measures correctly

How to Reset

Reset via operator panel after measurement circuit repair.

Related Siemens Fault Codes

Source: Siemens SINAMICS G120 List Manual

Category: PLC & VFD