Yaskawa J1000 Compact Vector Control Drive - Manual (Page 156)

Digital Operator Display Minor Fault Name
Uv
Undervoltage
One of the following conditions was true when the drive was stopped and a run
command was entered:
• DC bus voltage dropped below the level specified in L2-05.
• Contactor to suppress inrush current in the drive was open.
• Low voltage in the control drive input power. This alarm outputs only if L2-01 is
not 0 and DC bus voltage is under L2-05.
5.3 Alarm Detection
156 YASKAWA ELECTRIC TOEP C710606 47C YASKAWA AC Drive – V1000 Quick Start Guide