SC991 C Software continuity error CTL
The software has attempted to perform an unexpected operation. However,
unlike SC 990, the object of the error is continuity of the software.
• Software program error
• Internal parameter incorrect
• Insufficient working memory
• This SC is not displayed on the LCD (logging only).
For more details about SC991:
1. Execute SP7403 or print an SMC Report (SP5990) to read the history of the 10 most recent
logged errors.
2. If you touch the zero key on the operation panel with the SP selection menu displayed, you will see
detailed information about the recently logged SC991, including the software file name, line
number, and so on. Of these two methods, 1) is the recommended method, because another SC
could write over the information for the previous SC.
SC992 C Undefined Error (No SC Code) CTL
An error not controlled by the system occurred (the error does not come under
any other SC code).
• Software defective
• Turn the machine power off and on. The machine cannot be used until this
error is corrected.
• Re-install firmware
SC900: Software
719
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