oL4

Overtorque Detection 2

Yaskawa · GA500 Maintenance and Troubleshooting

What does oL4 mean?

This fault signifies a mechanical issue with the machine, such as a lock, or improperly set load parameters. The drive detects this fault if the output current surpasses the threshold defined by L6-05 for a period longer than L6-06. Ignoring this fault can lead to significant mechanical stress and potential equipment failure.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Execute a Fault Reset to clear the fault once the problem is resolved.

Source: Yaskawa GA500 Maintenance and Troubleshooting
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