Yaskawa Sigma-5 User Manual: Design and Maintenance - Rotary Motors - Manual (Page 288)

9.2 Warning Displays
9-23
T
roubleshooting
Note 1. Set Pn001.3 =1 (Outputs both Alarm Codes and Warning Codes) to output warning codes.
2. If Pn008.2 = 1 (Do not detect warning) is selected, no warnings will be detected.
A.971 Undervoltage
This warning occurs before Undervoltage (A.410) alarm occurs.
If the warning is ignored and operation continues, an undervolt-
age alarm may occur.
(cont’d)
Warning Display Warning Name Meaning