YASKAWA V1000 Quick Start Manual page 151

Motor output and motor-rated
current settings (T1-02 and
T1-04) do not match.
Motor output and no-load current
settings (T1-04 and E2-03) do
not match. Data required when
Auto-Tuning for OLV Control or
Stationary Auto-Tuning.
Base frequency and base motor
rotations (T1-05 and T1-07) do
not match.
Er-02
Cause
Incorrect motor data entered
during Auto-Tuning.
The wiring is faulty.
Load is too heavy.
Er-03
Cause
Auto-Tuning canceled by
pressing STOP button.
Er-04
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.
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.
Er-08
YASKAWA ELECTRIC TOEP C710606 47A YASKAWA AC Drive – V1000 Quick Start Guide
• Check the drive and motor capacities.
• Correct the settings of parameters T1-02 and T1-04.
• Check the motor-rated current and no-load current.
• Correct the settings of parameters T1-04 and E2-03.
Set T1-05 and T1-07 to the correct value.
Minor Fault
• Motor data entered to the T1 parameters does not match the information written
on the motor nameplate. Enter the correct data.
• Start Auto-Tuning over again and enter the correct information.
• Check the wiring and correct defective connections.
• Check around the machine.
• Check the load.
STOP Button Input
Auto-Tuning did not complete properly and will have to be performed again.
Line-to-Line Resistance Error
• Motor data entered to T1 parameters does not match motor nameplate. Enter the
correct data.
• Start Auto-Tuning over again 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
• Motor data entered to T1 parameters does not match motor nameplate. 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
5.5 Auto-Tuning Fault Detection
Possible Solutions
Possible Solutions
Possible Solutions
Possible Solutions
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