Software performance error

990	Software performance error
	The software attempted to perform an unexpected operation due to: 1) software bug, 2) incorrect internal parameter, 3) insufficient working memory.	• Turn the machine power off/on • Reinstall the controller and/or main firmware Note: When this SC occurs, the file name, address, and data will be stored in NVRAM. This information can be checked by using SP7-403. Note the above data and the situation in which this SC occurs. Then report the data and conditions to your technical control center.
991	Software continuity error
	The software attempted to perform an unexpected operation. However, unlike SC990, the object of the error is continuity of the software.	• No operation required. Note: This SC code does not appear on the panel, and is only log