!!
critical Yaskawa

Error Code E01

Overcurrent Fault occurs when excessive current flows through the drive.

How to Fix It

Check motor connections for shorts, verify motor nameplate ratings match drive settings, and ensure proper grounding. Refer to the Yaskawa HV600 Drive Programming Manual for detailed troubleshooting steps.

Source: page 1 of the official manual

From the manual

Manual page 1 — Yaskawa error E01

This error code appears in:

Yaskawa HV600 Variable Frequency Drive