YASKAWA V1000 Serie Guia De Inicio Rapido página 60

LED Operator
Display
Acceleration error
Er-09
The motor did not accelerate for the specified acceleration time.
Motor speed fault.
Er-11
The torque reference was too high.
Current detection error
• One or all output phases are lost.
Er-12
• Current is either too low or exceeds the drives rating.
• The current sensors are faulty.
Rated current alarm
• The torque reference exceeded 20% during Auto-Tuning.
End1
• The calculated no-load current is above 80% of the motor rated cur-
rent.
Motor iron-core saturation alarm
End2
• Calculated core saturation values out of range.
• Incorrect data was entered.
End3
Rated current alarm
Cause
30
7 Troubleshooting
Corrective Action
• 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.