7 Troubleshooting
YASKAWA ELECTRIC
TOEP C710606 15E - AC Drive V1000 - Quick Start Guide
EN 37
Auto-Tuning Errors
oPE10
The V/f pattern setting is incorrect.
• Check the V/f pattern settings.
• Refer to the Technical Manual for more
details.
LED Operator
Display
Cause Corrective Action
Er-01
Motor data fault
The input motor data are not valid. (e.g. the base
frequency and base speed do not fit)
Re-enter the data and repeat Auto-Tuning.
Er-02
Minor Fault
• The wiring is faulty.
• The load is too heavy.
• Check the wiring.
• Check the load. Always perform Auto-Tuning
with the load decoupled from the motor.
Er-03
The STOP button was pressed and Auto-Tuning
was canceled.
Repeat the Auto-Tuning.
Er-04
Resistance fault
• Wrong input data
• Auto tuning exceeded the given time frame.
• Calculated values out of range.
• Check the input data.
• Check the wiring.
• Re-enter the data and repeat the Auto-Tuning.
Er-05
No-Load Current Error
• Incorrect data was entered.
• Auto tuning took too long.
• Calculated values out of range
Er-08
Rated Slip Error
• 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.
• Increase the acceleration time C1-01.
• Check the torque limits L7-01 and L7-02.
Er-11
Motor speed fault
The torque reference was too high.
• Increase the acceleration time (C1-01).
• If possible, disconnect the load.
Er-12
Current detection error
• One or all output phases are lost.
• Current is either too low or exceeds the
drives rating.
• The current sensors are faulty.
• 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.
LED Operator
Display
Cause Corrective Action
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