Mitsubishi Electronics manual 144

11 TROUBLESHOOTING

MELSEC-Q

	Error Code		Error Contents and Cause	Corrective Action		Corres-
						ponding
	(SD0)	1
						CPU
			Program memory capacity was exceeded by performing boot	(1) Check and correct the parameters (boot setting).		QCPU
				(2) Delete unnecessary files in the program memory.		function
			operation or automatic write to standard ROM.	(3) Choose "Clear program memory" for boot in the parameter so		Ver. B
	2401			that boot is started after the program memory is cleared.		or later
			The file designated at the parameter PLC RAS settings fault history	Read the error individual information at the peripheral device, check
				to be sure that the parameter drive name and file name correspond
			area has not been created.	to the numerical values there (parameter number), and correct.
				Check the space remaining in the memory card.
				Read the error individual information at the peripheral device, check
	2410		The file designated by the sequence program cannot be found.	to be sure that the program corresponds to the numerical values
				there (program location), and correct.
				Create a file created using parameters, and load it to the CPU
				module.
	2411		The sequence program designated a file that cannot be designated	Read the error individual information at the peripheral device, check
			by the sequence program (comment file, etc.).
				to be sure that the program corresponds to the numerical values
	2412		The SFC program file is one that cannot be designated by the	there (program location), and correct.
			sequence program.
			No data has been written to the file designated by the sequence	Read the error individual information at the peripheral device, check
	2413			to be sure that the program corresponds to the numerical values
			program.	there (program location), and correct.
				Check to ensure that the designated file has not been write protected.
			There is a program file that uses a device that exceeds the device	Read the error common information at the peripheral device, check
	2500			to be sure that the parameter device allocation setting and the
			allocation range designated by the parameter device settings.	program file device allocation correspond to the numerical values
				there (file name), and correct if necessary.
	2501		There are multiple program files although "none" has been set at	Edit the parameter program setting to "yes".
			the parameter program settings.	Alternatively, delete unneeded programs.
	2502		The program file is incorrect.	Check whether the program version is	.QPG, and check the
			Alternatively, the file contents are not those of a sequence program.	file contents to be sure they are for a sequence program.
	2503		There are no program files at all.	Check program configuration.
2504			Two or more SFC normal programs or control programs have been	Check parameters and program configuration.
			designated.
			In a multiple CPU system, the intelligent function module under	(1) Specify the first I/O number of the intelligent function module		QCPU
						function
			control of another station is specified in the interrupt pointer setting	under control of the host station.
						Ver. B
			of the parameter.	(2) Delete the interrupt pointer setting of the parameter.
3000						or later
			The parameter settings for timer time limit setting, the RUN-PAUSE	(1) Read the error detailed information at the peripheral device,
			contact, the common pointer number, the general data processing,
				check the parameter items corresponding to the numerical
			number of vacant slots, or system interrupt settings are outside the			Rem
				values (parameter numbers) there, and correct when necessary.
			range that can be used by the CPU module.
				(2) If the error is still generated following the correction of the
	3001		Parameter contents have been destroyed.
				parameter settings, it is likely that there is a memory error, either
3002			When "use the following files" is selected for the file registers in the	in the internal CPU RAM/program memory or on the memory
			PLC file setting parameter, the specified file does not exist though	card. Contact your nearest Mitsubishi representative.
			the file register capacity has been set.
			The automatic refresh range of the multiple CPU system exceeded	Change the file register file for the one refresh-enabled in the whole		QCPU
						function
			the file register capacity.	range.		Ver. B
						or later
3003				(1) Read the error detailed information at the peripheral device,
				check the parameter items corresponding to the numerical
			The number of devices set at the parameter device settings	values (parameter numbers) there, and correct when necessary.
				(2) If the error is still generated following the correction of the
			exceeds the possible CPU module range.
				parameter settings, it is likely that there is a memory error, either
				in the internal CPU RAM/program memory or on the memory
				card. Contact your nearest Mitsubishi representative.
3004			The parameter file is incorrect.	Check whether the parameter file version is	.QPA, and
			Alternatively, the contents of the file are not parameters.	check the file contents to be sure they are parameters.
				(1) Delete the setting of the Q02CPU’s high speed interrupt
				parameter. To use high speed interrupts, change the CPU
			(1) The high speed interrupt parameter is set in a Q02CPU.	module to one of the Q02H/Q06H/Q12H/Q25HCPU.		QCPU
				(2) To use a multiple CPU system, delete the setting of the high-
			(2) The high speed parameter is set in a multiple CPU system.	speed interrupt parameter. To use high speed interrupts, change		serial
			(3) The high speed interrupt parameter is set when a QA1S B or
3006				the system to a single PLC system.		No.
			QA B is used.
				(3) To use either the QA1S B or QA B, delete the setting of the		04012
			(4) No module is installed at the I/O address designated by the high
				high speed interrupt parameter. To use high speed interrupts, do		or later
			speed interrupt parameter.
				not use the QA1S B/QA B.
				(4) Re-examine the I/O address designated by the high speed
				interrupt parameter.
3009			A modules are set to control PLCs in a multiple CPU system.	Re-set the parameter I/O assignment to control them under one
				QCPU. (Change the parameters of all stations in the multiple CPU
				system.)
3010			The parameter-set number of CPU modules differs from the actual	Match (preset count of multiple PLC setting) - (CPU (empty) setting
			number in a multiple CPU system.	in I/O assignment) with the actual number of CPUs loaded.
						QCPU
3012			Multiple CPU setting or control PLC setting differs from that of the	Match the multiple PLC setting or control CPU setting in the
			reference station in a multiple CPU system.	parameter with that of the reference station (station 1).		function
						Ver. B
			Multiple CPU automatic refresh setting is any of the followings in a	Check the following in the multiple CPU automatic refresh
						or later
			multiple CPU system.
				parameters and make correction.
			(1) When a bit device is specified as a refresh device, a number
3013				(1) When specifying the bit device, specify a multiple of 16 for the
			other than a multiple of 16 is specified for the refresh-starting
			device.	refresh starting device.
			(2) The device specified is other than the one that may be specified.	(2) Specify the device that may be specified for the refresh device.
				(3) Set the number of send points to an even number.
			(3) The number of send points is an odd number.

1 Characters in parentheses ( ) indicate the special register numbers where individual information is being stored.

11 - 28 11 - 28