Bose MR-J2S- B Constant, Reexamine acceleration, Deceleration time constant, Change lead, Option

9. TROUBLESHOOTING

Display	Name	Definition			Cause		Action
31	Overspeed	Speed has exceeded	1. Small acceleration/deceleration				Increase acceleration/deceleration time
		the instantaneous		time constant caused overshoot to			constant.
		permissible speed.		be large.
			2.	Servo system is instable to cause			1. Reset servo gain to proper value.
				overshoot.			2. If servo gain cannot be set to proper
							value:
							1) Reduce load inertia moment ratio; or
							2) Reexamine acceleration/
							deceleration time constant.
			3.	Encoder faulty.			Change the servo motor.
32	Overcurrent	Current that flew is	1. Short occurred in servo amplifier				Correct the wiring.
		higher than the		output phases U, V and W.
		permissible current	2. Transistor of the servo amplifier				Change the servo amplifier.
		of the servo		faulty.
		amplifier.			Checking method
				Alarm (32) occurs if power is
				switched on after U,V and W
				are disconnected.
			3.	Ground fault occurred in servo			Correct the wiring.
				amplifier output phases U, V and
				W.
			4.	External noise caused the			Take noise suppression measures.
				overcurrent detection circuit to
				misoperate.
33	Overvoltage	Converter bus	1. Regenerative brake option is not				Use the regenerative brake option.
		voltage exceeded		used.
		400V.	2.	Though the regenerative brake			Make correct setting.
				option is used, the parameter No.
				2 setting is "		00 (not used)".
			3.	Lead of built-in regenerative brake			1. Change lead.
				resistor or regenerative brake			2. Connect correctly.
				option is open or disconnected.
			4.	Regenerative transistor faulty.			Change servo amplifier
			5.	Wire breakage of built-in			1. For wire breakage of built-in
				regenerative brake resistor or			regenerative brake resistor, change
				regenerative brake option			servo amplifier.
							2. For wire breakage of regenerative brake
							option, change regenerative brake
							option.
			6.	Power supply voltage high.			Review the power supply.
34	CRC error	Bus cable is faulty	1. Bus cable disconnected.				Connect correctly.
			2.	Bus cable fault			Change the cable.
			3. Noise entere bus cable.				Take measures against noise.
			4.	Termination connector			Connect termination connector.
				disconnected.
			5.	The same No. exists in the servo			Set correctly.
				amplifier side axis setting.

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