IBM 5786 Removal And Replacement Procedures page 47

Yes Go to Service request numbers.
7. Is the subsystem check LED flashing?
No Go to step 8.
Yes A device is in Identify mode. A power supply, SCSI card, or disk drive module is to be
added or installed.
8. Is the subsystem check LED on continuously?
No Go to step 12 on page 36.
Yes Go to step 9.
9. Does the power-supply assembly have its FLT LED on because its DC On/Off switch is set to
Off?
No Go to step 10.
Yes
a. Set the DC On/Off switch to On.
b. If you still have a problem, return to step 2 on page 34. Otherwise, go to "MAP 2410:
7031-D24 or 7031-T24 repair verification" on page 42 to verify the repair.
10. Does any FRU have its Check or Fault LED on?
Note: The check LED might be on any of the following parts:
v A SCSI interface card assembly (CARD FAULT LED)
v A power-supply assembly (FLT LED)
v A fan assembly (CHK LED)
v A disk drive module (CHK LED)
No In the following sequence, exchange the following FRUs for new FRUs. Ensure that for each
FRU exchange, you go to "MAP 2410: 7031-D24 or 7031-T24 repair verification" on page 42
to verify the repair.
a. SCSI interface card assembly (go to the 5786, 5787, and 7031 models D24 and T24
removal and replacement procedures), and select the appropriate part.
b. Power supply (go to the 5786, 5787, and 7031 models D24 and T24 removal and
replacement procedures), and select the appropriate part.
c. Fan assembly (go to the 5786, 5787, and 7031 models D24 and T24 removal and
replacement procedures), and select the appropriate part.
d. Frame assembly (go to the 5786, 5787, and 7031 models D24 and T24 removal and
replacement procedures), and select the appropriate part.
Yes
a. If the FRU is a fan-and-power-supply assembly, go to step 11. Otherwise, exchange the
FRU whose Check LED is on.
b. Go to "MAP 2410: 7031-D24 or 7031-T24 repair verification" on page 42 to verify the
repair.
11. Is the enclosure set up for remote power control (that is, is the power control switch of the SCSI
interface card assembly set to Off)?
No
a. Exchange, for a new one, the power supply whose FLT LED is on (go to the 5786, 5787,
and 7031 models D24 and T24 removal and replacement procedures), and select Power
supply.
b. Go to "MAP 2410: 7031-D24 or 7031-T24 repair verification" on page 42 to verify the
repair.
7031-D24 or 7031-T24 maintenance analysis procedures
35