Delta Electronics ASDA-B Series User Manual page 260

ALE 6 / ALE : Overload
When the motor is started within 30 minutes:
Potential Cause
The drive has exceeded
its rated load during
continuous operation.
Control system
parameter setting is
incorrect.
The wiring of drive and
encoder is in error.
The encoder of the
motor is damaged.
The connection of U, V,
W is incorrect.
When the motor start running for 3 minutes above:
Potential Cause
The drive has exceeded
its rated load during
continuous operation.
Control system
parameter setting is
incorrect.
The wiring of drive and
encoder is in error.
ALE 7 / ALE : Overspeed
When SERVO ON:
Potential Cause
The wiring of motor is
incorrect.
The encoder of the
motor is damaged.
When the motor Accel/Decel in high-speed:
Potential Cause
Speed input command
is not stable (too much
fluctuation).
Over-speed parameter
setting is defective.
Revision January 2009
Checking Method
Check if the drive is overloaded.
Check if there is mechanical vibration
Accel/Decel time setting is too fast.
Check the wiring of U, V, W and encoder.
Please contact your distributor for assistance or contact with Delta.
Ensure the U, V, W of the motor is connected
to the U, V, W of the drive correctly.
Checking Method
Check if the drive is overloaded.
Check if there is mechanical vibration
Accel/Decel time setting is too fast.
Check the wiring of U, V, W and encoder.
Checking Method
Check the wiring of U, V, W and encoder.
Please contact your distributor for assistance or contact with Delta.
Checking Method
Use signal detector to detect if input signal is
abnormal.
Check if over-speed parameter setting value is
too low.
Chapter 10 Troubleshooting|ASDA-B Series
Corrective Actions
Increase motor capacity or reduce
load.
Adjust gain value of control circuit.
Decrease Accel/Decel time setting.
Ensure all wiring is correct.
Ensure all wiring is correct.
Corrective Actions
Increase motor capacity or reduce
load.
Adjust gain value of control circuit.
Decrease Accel/Decel time setting.
Ensure all wiring is correct.
Corrective Actions
Ensure all wiring is correct.
Corrective Actions
Ensure that input command
frequency is stable (not fluctuate
too much) and activate filter
function (P1-06, P1-07 and P1-08).
Correctly set over-speed parameter
setting (P2-34).
10-5