Code

Name

Causes

Possible Solutions

oL4

Overtorque Detection 2

A fault occurred on the machine.

Example: The machine is locked.

Examine the machine and remove the cause of the fault.

The parameters are incorrect for the load.

Adjust L6-05 [Torque Detection Level 2] and L6-06 [Torque Detection Time 2] settings.
Note:

  • The drive detects this fault if the drive output current is more than the level set in L6-05 for longer than L6-06.

  • Do a Fault Reset to clear the fault.

  • If the drive detects this fault, it will operate the motor as specified by the Stopping Method set in L6-04 [Torque Detection Selection 2].

  • L5-07 [Fault Reset Enable Select Grp1] disables the Auto Restart function.