Panasonic A4P Series Troubleshooting, Motor Does Not Run Motor Stops During an Operation, Wiring

Troubleshooting

Motor Does Not Run		Motor Stops During an Operation
Classification		Causes	Countermeasures
Parameter￿	Error in control mode	The setting of the control mode in the console or the	Set SV.Pr02 (Control mode) again.￿
￿	setting￿	monitor mode of “PANATERM®” may be wrong.￿	￿
￿	Error in torque limit	The torque limit may be smaller than correct torque	Check the setting of SV.Pr5E (1st torque
￿	setting￿	necessary for an operation.￿	limit) and SV.Pr5F (2nd torque limit).￿
￿	Error in operation	A parameter necessary for an operation may not be set.￿Check the parameters of travel, speed
￿	parameter setting￿	(If any parameter is not set, the error code No. 68 or 69	acceleration/deceleration time necessary
￿	￿	is shown.)￿	for homing operation or step operation in
￿	￿	￿	16.Pr.￿
￿	Setting out of a	An operation command may exceed the maximum	Check the set value of 32.Pr01/02.￿
￿	maximum travel range	travel range in a positive direction and/or negative	￿
￿	of target position￿	direction.￿	￿
￿	Error in a parameter	The setting of parameter used by a manufacturer may	Initialize all the parameters once and set
￿	used by a manufacturer.￿be changed from a default setting.￿		them again.￿
Wiring￿	Main power supply	Voltage of the main power supply and/or control power	Check the wiring and voltage of the main
￿	(L1, L2 and/or L3) of	supply may not be correct.￿	power supply (L1, L2 and/or L3) of CN
￿	CN X1 and/or control	The error code No. 11, 12 and/or 13 may occur.￿	X1 and/or the control power supply (L1C
￿	power supply (L1C	￿	and/or L2C).￿
￿	and/or L2C) does not	￿	￿
￿	turn on. Otherwise, a	￿	￿
￿	voltage value is wrong.￿￿		￿
￿	Servo-on input (SRV-	The 7-segment LED on the front panel may show [--].￿ Check and wire the input signal so that
￿	ON) of CN X5 is	The servo-on signal may be in the [--] state in the	the SRV-ON input can be connected to
￿	opened.￿	monitor mode of the console or “PANATERM®”.￿	COM–.￿
￿	CW/CCW over-travel	The CW/CCW over-travel inhibit input (CWL/CCWL) of	Check the wiring of CW/CCW over-travel
￿	inhibit input (CWL/	CN X5 may be in the ON state. (“Enable/disable” and	inhibit input and check the set value in
￿	CCWL) of CN X5 is in	logic are set by SV.Pr53/54.)￿	SV.Pr53/54.￿
￿	the ON state.￿	The CW/CCW over-travel inhibit input may be in the [--]	￿
￿	￿	state in the monitor mode of the console or “PANATERM®”.￿ ￿
￿	Strobe input (STB) of	The strobe input (STB) of CN X5 may remain opened.￿	Check and wire the input signal so that
￿	CN X5 is opened.￿	The strobe input signal may be in the [--] state in the	the strobe input can be connected to
￿	￿	monitor mode of the console or “PANATERM®”.￿	COM–.￿
￿	Emergency stop input	The emergency stop input (EMG-STP) of CN X5 may	Check and wire the input signal so that
￿	(EMG-STP) of CN X5	be opened. (The error code No. 39 is shown.)￿	EMG-STP can be connected to COM–.￿
￿	is opened.￿	￿	￿
￿	Error in the point	The point specifying input (P1IN to P32IN) of CN X5 may	Check the wiring of P1IN to P32IN.￿
￿	specifying input (P1IN	not be input correctly. (Logic can be set by SV.Pr58.)￿	￿
￿	to P32IN) of CN X5.￿	The state of P1IN to P32IN may not be displayed	￿
￿	￿	correctly in the monitor mode of the console or	￿
￿	Error in input timing of	“PANATERM®”.￿	￿
￿	the strobe input (STB)	Waiting time from the input of the point specifying input	Insert waiting time of 10 ms or more.￿
￿	and the point specify-	(P1IN to P32IN) of CN X5 to the input of the strobe input	￿
￿	ing input (P1IN to	(STB) of CN X5 may not be 10 ms or more. (If the	￿
￿	P32IN) of CN X5.￿	waiting time is less than 10 ms, a target point may be	￿
￿	A stop instruction is	unstable.)￿	￿
￿	input by the multi	The deceleration-and-stop, emergency stop and tempo-	Check the setting and wiring of the multi
￿	function input 1/2 (EX-	rary stop, which are assigned to the multi function input	function input 1/2.￿
￿	IN1/EX-IN2) of CN X5.￿1/2 (EX-IN1/EX-IN2) of CN X5, may turn on.￿		￿
￿	Homing not completed￿(Function selection and logic can be set by SV.Pr5A/5C		￿
￿	￿	and SV.Pr59/5B, respectively.)￿	￿
Others	￿	Homing may not be completed.￿	Complete the homing.￿
	During the execution	The point output may be “0” in the monitor mode of the	Refer to page 114.￿
	of an operation com-	console or “PANATERM®”.￿	￿
	mand, the next opera-	During the execution of an operation command (a	Check that the transistor of the motor
	tion command starts.￿	transistor of the motor operation state output BUSY of	operation state output turns ON and then
	The motor shaft drags.￿CN X5 turns OFF), you may start the next operation		start the next operation command.￿
	The motor does not	command.￿	￿
	run.	The motor shaft drags. The motor does not run.￿	If the motor shaft cannot be rotated, ask
		1)After turning the power supply off and separating it	the local shop to repair the motor.￿
		from the machine, the motor shaft may not be rotated	￿
		manually.￿
		2)For the motor equipped with electromagnetic brake,
		the motor shaft may not be rotated manually if DC 24
		V is applied to the brake.

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