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LED Operator Display
Resistance fault
Er-04
• Wrong input data.
• Auto tuning exceeded the given time frame.
• Calculated values out of range.
No-Load Current Error
Er-05
• Incorrect data was entered.
• Auto tuning took too long.
• Calculated values out of range.
Rated Slip Error
Er-08
• Wrong data input.
• Auto tuning exceeded the given time frame.
• Calculated values out of range.
Er-09
Acceleration error
The motor did not accelerate for the specified acceleration time.
Er-11
Motor speed fault.
The torque reference was too high.
Current detection error
Er-12
• One or all output phases are lost.
• Current is either too low or exceeds the drives rating.
• The current sensors are faulty.
Rated current alarm
End1
• The torque reference exceeded 20% during Auto-Tuning.
• The calculated no-load current is above 80% of the motor rated current.
Motor iron-core saturation alarm
End2
• Calculated core saturation values out of range.
• Incorrect data was entered.
End3
Rated current alarm
YASKAWA Europe TOEP C710606 75B - AC Drive V1000 IP66 - Quick Start Guide
Cause
Corrective Action
• Check the input data.
• Check the wiring.
• Re-enter the data and repeat the Auto-Tuning.
• Increase the acceleration time C1-01.
• Check the torque limits L7-01 and L7-02.
• Increase the acceleration time (C1-01).
• If possible, disconnect the load.
• Check the wiring.
• Make sure, that the drive rating fits to the motor.
• Check the load. (Auto-Tuning should have been performed without the load
connected.)
• Replace the drive.
• Check the V/f pattern setting.
• Perform Auto-Tuning without the load connected.
• Check the input data and repeat Auto-Tuning.
• Check the input data.
• Check the motor wiring.
• Perform Auto-Tuning without load connected.
Check the input data and repeat tuning.
7 Troubleshooting
EN 27
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