3 alarm detection – Yaskawa J1000 Compact Vector Control Drive User Manual
Page 156
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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
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