1104.2 Errors in System ModeIf some error occurs during operation in System Mode, one of the following errormessages will appear on the LCD.When selecting a program file or data file ProblemYou attempted to execute a user program in theEXECUTE PROGRAM menu, even though no userprogram files had been stored in the memories. SolutionPress the C key to return to the SYSTEM MENUscreen, then download user programs. (Refer toChapter 2, Subsection 2.6.3, [ 2 ].) ProblemIn the SET SYSTEM menu, you attempted to selecta user program file as an execution program to berun when the power is applied, even though nouser program files had been stored in the memo-ries. SolutionPress the C key to return to the SYSTEM MENUscreen, then download user programs. (Refer toChapter 2, Subsection 2.6.3, [ 2 ].) ProblemYou attempted to select "ONE FILE" or "ALL FILES"for uploading in the UPLOAD menu, even thoughno data files had been stored in the memory. SolutionPress the C key to return to the SYSTEM MENUscreen.EXECUTE PROGRAM******************* NO FILE EXISTS *******************SET EXECUTE PROGRAM******************* NO FILE EXISTS *******************UPLOAD FILE******************* NO FILE EXISTS *******************