YASKAWA V1000 - Page 278

Motor data entered during Auto-Tuning
was incorrect.
• Enter the correct data.
• Restart Auto-Tuning and enter the correct information.
Auto-Tuning did not complete within
designated time frame.
• Check and correct faulty motor wiring.
• Disconnect the motor from machine and perform Rotational Auto-Tuning.
Drive-calculated values outside
parameter setting range.
LED Operator Display Error Name
Er-05 No-Load Current Error
Cause Possible Solutions
Motor data entered during Auto-Tuning
was incorrect.
• Enter the correct data.
•
Restart Auto-Tuning and enter the correct information.
Auto-Tuning did not complete within
designated time frame.
• Check and correct faulty motor wiring.
• Disconnect the motor from machine and perform Rotational Auto-Tuning.
Drive-calculated values outside
parameter setting range.
LED Operator Display Error Name
Er-08 Rated Slip Error
Cause Possible Solutions
Motor data entered during Auto-Tuning
was incorrect.
• Enter the correct data.
• Restart Auto-Tuning and enter the correct information.
Auto-Tuning did not complete within
designated time frame.
• Check and correct faulty motor wiring.
• Disconnect the motor from machine and perform Auto-Tuning.
Values calculated by the drive
are outside
the allowable parameter setting ranges.
LED Operator Display Error Name
Er-09 Acceleration Error (detected only during Rotational Auto-Tuning)
Cause Possible Solutions
The motor did not accelerate for the
specified acceleration time.
• Increase the acceleration time (C1-01).
• Check if it is possible to disconnect the machine from the motor.
Torque limit when motoring is too low
(L7-01 and L7-02).
• Check the settings of parameters L7-01 and L7-02.
• Increase the setting.
LED Operator Display Error Name
Er-11 Motor Speed Fault (detected only when Auto-Tuning is enabled)
Cause Possible Solutions
Torque reference is too high. (Enabled in
OLV only.)
• Increase the acceleration time (C1-01).
•
Disconnect the machine from the motor, if possible.
LED Operator Display Error Name
Er-12 Current Detection Error
Cause Possible Solutions
One of the motor phases is missing (U/T1,
V/T2, W/T3).
Check motor wiring and correct problems.
Current exceeded the current rating of the
drive.
• Check the motor wiring for a short between motor lines.
• If a magnetic contactor is used between motors, ensure it is on.
• Replace the drive.
The current is too low.
Attempted Auto-Tuning without motor
connected to the drive.
Connect the motor and perform Auto-Tuning.
Current detection signal error. Replace the drive.
6.7 Auto-Tuning Fault Detection
278
YASKAWA ELECTRIC SIEP C710606 16C YASKAWA AC Drive – V1000 Technical Manual