1344.2 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, but no user programfiles had been stored in the memory.■ SolutionPress the C key to return to the SYSTEM MENUscreen, then download user programs. (Refer toChapter 2, Subsection 2.5.3, [ 2 ].)■ ProblemIn the SET SYSTEM menu, you attempted to selecta user program file as an execution program to berun when the power is applied, but no user pro-gram files had been stored in the memory.■ SolutionPress the C key to return to the SYSTEM MENUscreen, then download user programs. (Refer toChapter 2, Subsection 2.5.3, [ 2 ].)■ ProblemYou attempted to select "ONE FILE" or "ALL FILES"for uploading in the UPLOAD menu, but no datafiles had been stored in the memory.■ SolutionPress the C key to return to the SYSTEM MENUscreen.