Siemens SINAMICS G120 Error Code F30004

Siemens PLC & VFD Major Overtemperature

Model: SINAMICS G120 | Code: F30004

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

Symptoms

Power module overtemperature.

Possible Causes

  • Cooling fan failure
  • Heatsink clogged
  • Ambient too hot

Troubleshooting Steps

  1. Step 1: Check cooling fan
    Fan running at rated speed
  2. Step 2: Clean heatsink
    Heatsink clean
  3. Step 3: Reduce ambient temperature
    Temperature within rated range

How to Reset

Reset via operator panel after temperature normalizes.

Related Siemens Fault Codes

Comments (0)

Share your experience to help others facing the same problem.

No comments yet. Be the first to share your experience!

Leave a Comment

Source: Siemens SINAMICS G120 List Manual

Category: PLC & VFD