Code

Name

Causes

Possible Solutions

UL5

Mechanical Weakening Detection 2

The drive detected undertorque as specified by the conditions for mechanical weakening detection set in L6-08 [Mechanical Fatigue Detect Select].

Examine the machine for deterioration.
Note:

  • If the drive detects this error, the terminal assigned to H2-01 to H2-04 = 10 [MFDO Function Select = Alarm] will be ON.

  • If the drive detects this error, it will operate the motor as specified by the Stopping Method set in L6-08.