7 Troubleshooting
EN 38 YASKAWA ELECTRIC
TOEP C710606 15E - AC Drive V1000 - Quick Start Guide
End1
Rated current alarm
• The torque reference exceeded 20% during
Auto-Tuning.
• The calculated no-load current is above 80%
of the motor rated current.
• Check the V/f pattern setting.
• Perform Auto-Tuning without the load
connected.
• Check the input data and repeat Auto-Tuning.
End2
Motor iron-core saturation alarm
• Calculated core saturation values out of
range.
• Incorrect data was entered.
• Check the input data.
• Check the motor wiring.
• Perform Auto-Tuning without load connected.
End3
Rated current alarm Check the input data and repeat tuning.
LED Operator
Display
Cause Corrective Action
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