YASKAWA V1000 Technical Manual page 278

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