Delta ASDA-B2 Series User Manual page 97

Chapter 5 Trial Operation and Tuning
(7) When the screen displays:
Warning of under voltage:
Corrective actions:

Check if the wiring of main circuit input voltage is correct.

Use voltmeter to measure if the main circuit voltage is normal.

Use voltmeter to measure if the power system complies with the specification.
Note: During the process of power on or servo on, if an alarm occurs or shows any
abnormal display, please contact the distributors.
5-6
ASDA-B2
Revision May, 2018