Siemens SINAMICS G120 Error Code F0090

Siemens PLC & VFD Major Overtemperature

Model: SINAMICS G120 | Code: F0090

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

Symptoms

Motor overtemperature detected.

Possible Causes

  • Motor overload
  • Motor cooling insufficient
  • Motor ambient too hot

Troubleshooting Steps

  1. Step 1: Check motor load current
    Current within rated range
  2. Step 2: Verify motor cooling
    Cooling adequate
  3. Step 3: Reduce motor ambient temperature
    Temperature within rated range

How to Reset

Reset via operator panel after motor cools.

Related Siemens Fault Codes

Source: Siemens SINAMICS G120 List Manual

Category: PLC & VFD