Yaskawa UL3 (blinking) fault code meaning

Series: L7

Insufficient torque detection 1 (warning)

drive

Meaning: The drive output current (V/f control) or output torque (vector control) remains below the setting (L6-02) for longer than the specified time (L6-03); detection is performed when L6-04 is set to 7 or 8; insufficient motor torque

Possible causes

Source: Yaskawa L7 Series Elevator Drive User Manual, Fault Diagnosis P267