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FID 82: Power supply
Before you begin this procedure, see "Power problems MAP" on page 193 to isolate the failing power
supply.
See Figure 79 on page 251 for FRU location 82. Use Figure 80 on page 252 as you follow this procedure.
All 3592 dc power supplies are hot-pluggable. To minimize the impact on customer operations, one dc
power supply can be unplugged and removed while the remaining power supply continues to provide dc
power to both 3592 drives in the enclosure.
Attention: Do not disconnect the AC power from both power supplies in the same enclosure at the
same time, unless both drives in the enclosure are already offline, and you want to disconnect
power to both drives.
Removing the power supply
Figure 80: Removing the lower power supply
1. Complete "Preparing the tape drive for service" on page 183 for both drives in the enclosure, then
return here.
Note: It is not necessary to vary the drive offline or to make the drive unavailable to the customer if
you are removing only one power supply. If you are removing only one power supply, go to Step 2.
2. See Figure 80 on page 252. Disconnect the AC power cord from the power supply (
removing.
3. Press the orange tab (
in until it locks in position.
4. Use the handle (
Replacing the power supply
1. Complete the Remove procedure in the reverse order, then return here.
2. Ensure that the AC and DC LEDs on the power supply are ON. See
location of the LEDs.
3. Go to "End of call" on page 185.
FID 85: Drive canister
See Figure 79 on page 251 for FRU location 85. Use Figure 81 on page 253 as you follow this procedure.
Complete "Offloading the dump to flash memory" on page 211 if the drive did not complete an automatic
memory dump to flash memory.
252 IBM 3592 TS1140, TS1150, TS1155, and TS1160 Tape Drives: Maintenance Information
3
2
) to the left to unlock the power supply for removal. To install, push the supply
3
) to pull the power supply out of the enclosure.
4
1
2
4
in Figure 80 on page 252 for the
1
) you are
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