Tag: ground-fault

All the articles with the tag "ground-fault".

• Siemens SINAMICS G120 F30021 Fault — Ground Fault Fix

  21 May, 2026

  SINAMICS G120 F30021 (Ground Fault) means the Power Module's output current sensors saw an imbalance — current flowing out the U, V, W phases summed to a...

• Omron 3G3MX2 E04 Fault — Ground Fault

  22 Apr, 2026

  Omron MX2 / 3G3MX2 E04 fault means the drive detected a ground fault on the output. Learn causes, diagnostics, and the fix for E04.