Mitsubishi Electronics QD75P, QD75D Error Error name Operation status at error, Speed changeover

15 TROUBLESHOOTING

MELSEC-Q

Classification	Error	Error name	Error	Operation status at error
of errors	code			occurrence
			• In the unit of degree, the set range of
			the detailed parameter 1 "Software
			stroke limit lower limit value" is outside
	922	Software stroke limit	the setting range.
		lower limit	• In a unit other than degree, the
			software stroke limit upper limit value
			is smaller than the software stroke
			limit lower limit value.
		Software stroke limit	The set range of the detailed parameter
	923	selection	1 "Software stroke limit selection" is
			outside the setting range.
		Software stroke limit	The set range of the detailed parameter
	924	valid/invalid setting	1 "Software stroke limit valid/invalid
			setting" is outside the setting range.
		Command	The set range of the detailed parameter
	925		1 "Command in-position width" is
		in-position width
			outside the setting range.
		Illegal torque limit	The set range of the detailed parameter
	926		1 "Torque limit setting value" is outside
		setting value
			the setting range.
		M code ON timing	The set range of the detailed parameter 1	The QD75 READY signal (X0) is
	927		"M code ON signal output timing" is	not turned ON.
		error	outside the setting range.
	928	Speed changeover	The set range of the detailed parameter
		mode error	1 "Speed changeover mode" is outside
			the setting range.
Parameter		Interpolation speed	The set range of the detailed parameter
	929	designation method	1 "Interpolation speed designation
		error	method" is outside the setting range.
		Current value update	The set range of the detailed parameter
	930	request error	1 "Current feed value during speed
			control" is outside the setting range.
		Manual pulse	The set range of the detailed parameter
	932	generator input	1 "Manual pulse generator input
		mode error	selection" is outside the setting range.
			The detailed parameter 1 "speed-
			position function selection" is preset to
		Speed-position	2 and the following three conditions are
	935	function selection	not satisfied:
		error	1) Unit is "degree".
			2) Software stroke limits are invalid.
			3) Update current feed value.
	950	Acceleration time 1	The set range of the detailed parameter	At start: The system will not
			2 "Acceleration time 1" is outside the	operate.
		setting error	setting range.
				During operation:
			The set range of the detailed parameter
		Acceleration time 2		The system stops with the
	951		2 "Acceleration time 2" is outside the	setting (deceleration
		setting error	setting range.	stop/sudden stop) of the
		Acceleration time 3	The set range of the detailed parameter	detailed parameter 2
				sudden stop selection
	952	setting error	2 "Acceleration time 3" is outside the
				(stop group 3).
			setting range.
		Deceleration time 1	The set range of the detailed parameter	(Note that the deceleration stop
	953		2 "Deceleration time 1" is outside the	only occurs during the manual
		setting error
				pulse generator operation.)
			setting range.

15 - 26