Mitsubishi Electronics MR-J2S- CL specifications Troubleshooting, AL.37

11. TROUBLESHOOTING

Display	Name	Definition		Cause	Action
AL.37	Parameter	Parameter setting is	1.	Servo amplifier fault caused the	Change the servo amplifier.
	error	wrong.		parameter setting to be rewritten.
			2.	Regenerative brake option not used	Set parameter No.0 correctly.
				with servo amplifier was selected in
				parameter No.0.
			3.	Value outside setting range has	Set the parameter correctly.
				been set in some parameter.
			4.	Value outside setting range has	Set parameters No. 4, 5 correctly.
				been set in electronic gear.
			5.	Opposite sign has been set in	Set parameters No. 46 to 49 correctly.
				software limit increasing side
				(parameters No. 46, 47). Similarly,
				opposite sign has been set in
				software limit decreasing side
				(parameters No. 48, 49).
			6.	Opposite sign has been set in	Set parameters No. 50 to 53 correctly.
				position range output address
				increasing side (parameters No. 50,
				51). Similarly, opposite sign has
				been set in position range output
				address decreasing side (parameters
				No. 52, 53).
			7.	The number of write times to EEP-	Change the servo amplifier.
				ROM exceeded 100,000 due to
				parameter write, program write, etc.
AL.39	Program error	Program data is	1.	Servo amplifier fault caused the	Change the servo amplifier.
		abnormal		program data to be rewritten.
			2.	Command argument is out of the	Programming correctly.
				setting range.
			3.	The number of write times to EEP-	Change the servo amplifier.
				ROM exceeded 100,000 due to
				parameter write, program write, etc.
AL.45	Main circuit	Main circuit device	1.	Servo amplifier faulty.	Change the servo amplifier.
	device overheat	overheat	2.	The power supply was turned on	The drive method is reviewed.
				and off continuously by overloaded
				status.
			3.	Air cooling fan of servo amplifier	1. Exchange the cooling fan or the servo
				stops.	amplifier.
					2. Reduce ambient temperature.
AL.46	Servo motor	Servo motor	1.	Ambient temperature of servo motor	Review environment so that ambient
	overheat	temperature rise		is over 40 .	temperature is 0 to 40 .
		actuated the	2.	Servo motor is overloaded.	1. Reduce load.
		thermal protector.			2. Review operation pattern.
					3. Use servo motor that provides larger
					output.
			3.	Thermal protector in encoder is	Change servo motor.
				faulty.

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