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Table 3-3. Diagnostic and maintenance functions (continued)
Function
Code
Enable Post Error Reporting: When selected,
P
deferred-check conditions are reported to the host.
Disable Post Error Reporting: When selected,
U
deferred-check conditions are NOT reported to the host.
Entering Maintenance Mode
The drive must be in maintenance mode to run drive diagnostics or maintenance
functions. To place the unit in maintenance mode:
1. Make sure that no cartridge is in the drive.
2. Press the Unload Button three times within two seconds.
Maintenance functions cannot be performed concurrently with read or write
operations. While in maintenance mode, the drive does not receive host interface
commands from the server.
Exiting Maintenance Mode
The drive must be in maintenance mode to run drive diagnostics or maintenance
functions. To exit maintenance mode:
1. Press the Unload button once per second to increment the display character
2. If an error is detected, the SCD shows an error code but still exits maintenance
3. Press and hold the Unload button until the drive resets.
Function Code 0: Maintenance Mode
Function Code
maintenance functions.
Diagnostic or Maintenance Function
Single-character Display (SCD) the Ready light is flashing, and the Fault light
turns On.
Note: If a cartridge is in the tape drive, it will eject the first time that you press
the Unload Button and the drive will not be placed in maintenance
mode. To continue placing the drive in maintenance mode, perform the
preceding step. While in Maintenance Mode, the drive will not accept a
cartridge unless the drive requests it. The SCD will display a flashing
to indicate a cartridge needs to be inserted.
0
until
displays. Press and hold the Unload Button for 3 or more seconds
then release the button to take the drive out of maintenance mode. If no error
0
is detected,
temporarily appears in the SCD, then goes blank. The drive
then exits maintenance mode and the Ready light will turn On.
mode. To determine the error, locate the code in Appendix A, "Error Codes and
Messages," on page A-1. To clear the error, turn the power off, then on again.
Note: The drive also exits maintenance mode automatically after it completes a
maintenance function or after 10 minutes if no action has occurred.
0
makes the drive available for running drive diagnostics or
Instructions Location
"Function Code P: Post Error Reporting
Enabled" on page 3-21
"Function Code U: Post Error Reporting
Disabled" on page 3-22
0
appears in the
Chapter 3. Operating
C
3-9
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