Delta Electronics ASDA-B Series manual ALE 8 / ALE, Abnormal pulse control command, ALE 9 / ALE

Chapter 10 TroubleshootingASDA-B Series
ALE 8 / ALE	: Abnormal pulse control command
Potential Cause		Checking Method	Corrective Actions
Pulse command
frequency is higher		Use pulse frequency detector to measure input	Correctly set the input pulse
than rated input		frequency.	frequency.
frequency.
ALE 9 / ALE	: Excessive deviation

„When the motor is running:

Potential Cause	Checking Method	Corrective Actions
Maximum deviation	Check the maximum deviation parameter	Increases the parameter setting
parameter setting is too	setting and observe the position error value
		value of P2-35.
small.	when the motor is running.
Torque limit is too low.	Check torque limit value.	Correctly adjust torque limit value.
There is an overload.	Check for overload condition.	Reduce external applied load or re-
		estimate the motor capacity.

„When pulse command is input but the motor does not run or the moving is very slow:

Potential Cause	Checking Method	Corrective Actions
Gain value is too small.	Check for proper gain value.	Correctly adjust gain value.
Torque limit is too low.	Check torque limit value.	Correctly adjust torque limit value.
There is an overload.	Check for overload condition.	Reduce external applied load or re-
		estimate the motor capacity.

„The excessive deviation fault occurs immediately when the pulse command is given:

Potential Cause		Checking Method	Corrective Actions
Maximum deviation		Check the maximum deviation parameter	Increases the parameter setting
parameter setting is too		setting and observe the position error value
			value of P2-35.
small.		when the motor is running.
Too much fluctuation of			Adjust pulse frequency and
		Check the pulse frequency.	activate filter function (P1-06, P1-
pulse command.			07 and P1-08).
ALE 10 / ALE	: Serial communication error

„Please refer to section 8.3.4 in Chapter 8 for the related error codes.

Potential Cause	Checking Method	Corrective Actions
Communication
parameter setting is	Check the communication parameter setting.	Correctly set parameter setting.
defective.
Communication	Check the communication address.	Correctly set communication
address is incorrect.		address.
Communication value is	Check the communication value.	Correctly set communication value.
incorrect.

10-6 Revision January 2009