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18-15
IM 701210-06E
Troubleshooting, Maintenance, and Inspection
18
Explanation
Memory Test
Tests whether the RAM/ROM of the internal CPU board is operating correctly. If Pass is
displayed, it is operating correctly.
If there is an error, Fail is displayed.
Key Test: Key Board
Tests whether the front panel keys are operating properly. If the name of the key being
pressed appears highlighted, it is operating correctly. If there is an error, the name of the
key will not appear highlighted.
Press the ESC key twice to quit the key test.
Floppy Disk Drive, Zip Drive, or PC Card Drive Test: FDD, ZIP, PC CARD
Tests whether the floppy disk drive, Zip drive, or PC card is operating properly. If there
is an error, Fail is displayed after the test execution.
Internal Hard Disk Drive (Optional) or SCSI Test: HDD, SCSI
Tests whether the internal hard disk drive or SCSI is operating correctly. If there is an
error, Fail is displayed after the test execution.
Printer Test
Tests whether the built-in printer is operating properly. If the tint is printed correctly, the
operation is normal. If there is an error, the printing will not be correct.
If an Error Occurs during the Self Test
If the error remains after carrying out the following procedure, contact your nearest
YOKOGAWA dealer.
• Perform the self test several more times.
• Check whether the medium to be tested is inserted.
• Check whether the internal hard disk (optional) motor is turned ON. (Section 13.2)
• Check whether the paper is properly set in the built-in printer. Check for paper jams
(section 9.1 (section 12.1 for the DL750P)).
• Check whether the external SCSI device is connected properly. (Section 13.4)
18.3 Self-Diagnostic Test (Self Test)