Mitsubishi Electronics Q172HCPU, Q173HCPU manual 414

APPENDICES

Table 1.12 Servo error (2000 to 2899) list (Continued)

Error		Error cause	Error check	Error	Corrective action
code	Name	Description		processing
		• Linear encoder signal resolution diffes			• Review the settings of parameter
		from the setting value.			No.PS02 and PS03 setting
					(linear encoder resolution).
					• Check the installation of linear
					encoder.
		• Initial magnetic pole detection has not			• Perform initial magnetic pole
		been performed.			detection.
		• Mismatch of the linear encoder			• Check the installation direction of
		installation direction.			linear encoder.
					• Review the setting of parameter
					No. PC27 (encoder pulse count
					polarity).
	Linear servo	• Wrong wiring of the servomotor wires			• Correct the wiring.
		(U, V, and W).
	control error
2042		• The position deviation exceeded the			• Review the operation condition.
	(Linear servo	detection level.			• Review the setting of parameter
	amplifier)
					No.PS05 (Linear servo control
					position deviation error detection
					level) as required.
		• The speed deviation exceeded the			• Review the operation condition.
		detection level.			• Review the setting of parameter
					No.PS06 (Linear servo control
					speed deviation error detection
			• Servo amplifier		level) as required.
		• The thrust deviation exceeded the	power on.	Immediate	• Review the operation condition.
		detection level.	• Multiple CPU	stop	• Review the setting of parameter
			system power on.		No.PS07 (Linear servo control
					thrust deviation error detection
					level) as required.
		• Load side encoder resolution differs from			• Review the settings of parameter
		the setting value.			No.PE04 and PE05 (Fully closed
					loop control feedback pulse
					electronic gear).
					• Check the installation of load side
					encoder.
		• Mismatch of the load side encoder			• Check the installation direction of
		installation direction.			load side encoder.
	Fully closed				• Review the setting of parameter
	control error				No. PC27 (encoder pulse count
2042	(Fully closed				polarity).
	loop control	• The position deviation exceeded the			• Review the operation condition.
	servo amplifier)	detection level.			• Review the setting of parameter
					No.PE07 (Fully closed loop
					control position deviation error
					detection level) as required.
		• The speed deviation exceeded the			• Review the operation condition.
		detection level.			• Review the setting of parameter
					No. PE06 (Fully closed loop
					control speed deviation error
					detection level) as required.

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