Omron FQM1-MMA21, FQM1-CM001, FQM1-MMP21 operation manual Fatal Errors

Error Processing	Section 9-2
	When operation is stopped, all outputs will be turned OFF. The Servo Driver
	that is in Servo ON state for outputs from the FQM1 will switch to Servo OFF
	state.

Fatal Errors

Error	Error	Auxiliary Area	Probable cause	Possible remedy
	code (in	flag and word
	A400)	data
Memory	80F1	A401.15: Mem-	An error has occurred in memory. A	See below.
error		ory Error Flag	bit in A403 will turn ON to show the
		A403: Memory	location of the error as listed below.
		Error Location	A403.00 ON:	Check the program and correct the error.
			A checksum error has occurred in
			the user program memory. An illegal
			instruction was detected.
			A403.04 ON:	Transfer the System Setup settings
			A checksum error has occurred in	again.
			the System Setup.
			A403.10 ON:	Module hardware is faulty. Replace the
			An error occurred in flash memory	Module.
			(backup memory).
			A403.13 ON:	Check the data and set again.
			There is an error in the analog off-
			set/gain data.
			A403.14 ON:	Replace the Module.
			A checksum error has occurred in
			the DM data stored in flash memory.
I/O Bus	80C0	A401.14: I/O	Error has occurred in the data trans-	Try turning the power OFF and ON
error	80CE	Bus Error Flag	fer between connected Modules or	again.
	80CF		the End Cover is not connected to	If the error persists, turn the power OFF
			the right side of the FQM1.
				and check connections between the
				Modules and the End Cover.
				Check for damage to the Modules. After
				correcting the problem, turn the FQM1’s
				power OFF and then ON again.
Program	80F0	A401.09: Pro-	The program is incorrect. A bit in	Check A405 to determine the type of
error		gram Error Flag	A405 will turn ON to show the error	error that occurred.
		A405: Program	details as listed below.	Correct the program and then clear the
		error information		error.
			A405.11: No END error	Be sure that there is an END instruction
				at the end of the program.
			A405.15: UM overflow error	Use the CX-Programmer to transfer the
			The last address in UM (user pro-	program again to FQM1.
			gram memory) has been exceeded.
			A405.13: Differentiation overflow	After writing any changes to the program,
			error	switch to PROGRAM mode and then
			Too many differentiated instructions	return to MONITOR mode to continue
			have been inserted or deleted dur-	editing the program.
			ing online editing.
			A405.12: Task error	Check that all of the task numbers speci-
			A task error has occurred. The task	fied in the MSKS instructions have corre-
			specified in the MSKS instruction	sponding tasks.
			doesn’t exist.	Use MSKS to mask any input interrupt
				task or other interrupt tasks that are not
				being used and that do not have pro-
				grams set for them.
			A405.14: Illegal instruction error	Check and correct the program.
			The program contains an instruction
			that cannot be executed.

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