Figure 64: Rack service position - rear view
To power OFF the drive, complete the following steps:
1. If the device is not varied offline, have the customer vary (take) it offline at the host.
2. Ensure that the customer's job is complete.
3. Unless this call is for a Tape Unload problem, press Unload on the Operator bezel (see Figure 2 on
page 29) to eject any currently loaded tape cartridge. It can take up to 5 minutes for the cartridge to
rewind and unload. When the unload is complete, remove the cartridge from the drive.
4. Unhook the retaining strap ( 1 ).
5. Unplug the power connector ( 2 ). The power cables are not shown.
6. If the procedure that sent you here calls for removing the drive canister from the rack, go to “Removing
the drive canister from an enclosure” on page 253.
Restoring drive canister power
If the drive canister is not already installed in the rack, go to “Replacing or reinstalling the drive canister”
on page 254, and then return here.
1. Plug in the power connector ( 2 in Figure 64 on page 184).
2. Reattach the retaining strap ( 1 in Figure 64 on page 184).
Note: Wait at least 5 seconds after power is removed from the 3592 tape drive before power is restored.
The power-on self-test (POST) runs when power is applied to the drive canister. This POST takes less than
1 minute to complete. When power is restored, the Operator 8-character display (see Figure 2 on page
29) initially displays BOOTING. Then, while the POST test is running, the display shows DIAGS*. If POST
completes successfully, the display changes from DIAGS* to blank.
184
IBM 3592 TS1140, TS1150, TS1155, and TS1160 Tape Drives: Maintenance Information
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