Digital Equipment RW504-ZA, Руководство по обслуживанию

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Table 4–1 (Cont.) Operation/Installation Troubleshooting
Task Problem/Symptom What to do
Power-on self-test fails. Turn the unit off, then turn it on again.
Observe the power-on test result. If the
unit continues to fail, use the error code
to begin troubleshooting. (See Section 4.2
following this table.)
Does not boot correctly. Make sure the boot disk is ON, spun up,
and ready before applying power to the host
computer. The autochanger and the host
may then be powered on in any order.
Power fail Just the autochanger
power fails. When power returns, unmount and
remount all disk surfaces. Do not eject
any disks until the surfaces are unmounted
/unreserved.
Autochanger power fails
while a disk is in the
drive. If you need to remove the disk before power
can be resupplied to the drive, the eject tool
can be used to recover the disk. See
Section 4.4 for instructions for using the
eject tool.
Host computer
power fails and the
autochanger stays on. After the host reboots, file system check
any write-mounted surfaces.
Both the host system
and autochanger power
fail. After the host reboots, file system check
any write-mounted surfaces.
CAUTION
Do not eject disks from the autochanger until all
mounted surfaces are unmounted.
To prevent disks from being removed after a power
failure, set configuration 20 (Power-on Cartridge
Security) to ‘‘ON.’’ See Section 3.3.7 and Section 3.3.1
for an explanation of configuration 20 and how it is set.
(continued on next page)
4–4 Troubleshooting and Diagnostics