Delta Electronics ASDA-B Series manual ALE 6 / ALE Overload, ALE 7 / ALE, Overspeed

Chapter 10 TroubleshootingASDA-B Series

ALE 6 / ALE : Overload

„When the motor is started within 30 minutes:

Potential Cause	Checking Method	Corrective Actions
The drive has exceeded		Increase motor capacity or reduce
its rated load during	Check if the drive is overloaded.
		load.
continuous operation.
Control system	Check if there is mechanical vibration	Adjust gain value of control circuit.
parameter setting is
	Accel/Decel time setting is too fast.	Decrease Accel/Decel time setting.
incorrect.
The wiring of drive and	Check the wiring of U, V, W and encoder.	Ensure all wiring is correct.
encoder is in error.
The encoder of the	Please contact your distributor for assistance or contact with Delta.
motor is damaged.
The connection of U, V,	Ensure the U, V, W of the motor is connected	Ensure all wiring is correct.
W is incorrect.	to the U, V, W of the drive correctly.

„When the motor start running for 3 minutes above:

Potential Cause		Checking Method	Corrective Actions
The drive has exceeded		Check if the drive is overloaded.	Increase motor capacity or reduce
its rated load during
			load.
continuous operation.
Control system		Check if there is mechanical vibration	Adjust gain value of control circuit.
parameter setting is
		Accel/Decel time setting is too fast.	Decrease Accel/Decel time setting.
incorrect.
The wiring of drive and		Check the wiring of U, V, W and encoder.	Ensure all wiring is correct.
encoder is in error.
ALE 7 / ALE	: Overspeed

„When SERVO ON:

Potential Cause	Checking Method	Corrective Actions
The wiring of motor is	Check the wiring of U, V, W and encoder.	Ensure all wiring is correct.
incorrect.
The encoder of the	Please contact your distributor for assistance or contact with Delta.
motor is damaged.

„When the motor Accel/Decel in high-speed:

Potential Cause	Checking Method	Corrective Actions
Speed input command		Ensure that input command
	Use signal detector to detect if input signal is	frequency is stable (not fluctuate
is not stable (too much	abnormal.	too much) and activate filter
fluctuation).		function (P1-06, P1-07 and P1-08).
Over-speed parameter	Check if over-speed parameter setting value is	Correctly set over-speed parameter
setting is defective.	too low.	setting (P2-34).

Revision January 2009 10-5