IBM iSeries 270 Hardware Problem Analysis And Isolation

v Yes: Exchange the last I/O device you reconnected in this step. See the Remove and replace
procedures for the model you are working on.
This
ends the procedure.
15. Have you reconnected all the I/O devices?
v Yes: This ends the procedure.
v No: Repeat steps 14a (See page 163), 14c (See page 163), and 14d (See page 163).
Instructions for Models 800, 810, 825, 870, and 890
1. If the system has logical partitions, perform this procedure only from the Primary partition’s console
and the system control panel. To determine if the system has logical partitions, go to Determine if the
system has logical partitions, before continuing with this procedure.
2. Perform the following:
a. Power off the unit you are working on. Units with an FC 5088 or FC 0588 attached - trace and
remove the lower unit power supply ac jumper cables at the power supplies.
b. Disconnect all the I/O devices (tape, diskette, optical, and disk units) from the unit that you are
working on by sliding them partially out of the unit. See the Remove and replace procedures for
the model you are working on.
c. Remove and label all of the cards that are installed in the PCI card area.
d. Power on the unit you are working on. Units with an FC 5088 or FC 0588 attached - reconnect
the lower unit power supply ac jumper cables at the power supplies.
Does
a power reference code occur?
v Yes: Continue with the next step.
v No: Go to step 12 (See page 165) .
3. Perform the following:
a. Power off the unit you are working on. Units with an FC 5088 or FC 0588 attached - trace and
remove the lower unit power supply ac jumper cables at the power supplies.
b. Remove all power supplies except the first one, in order. The first one will be P00 or P01
depending on the installed configuration.
c. Power on the unit that you are working on. Units with an FC 5088 or FC 0588 attached -
reconnect the lower unit power supply ac jumper cables at the power supplies.
Does
a power reference code occur?
v Yes: Continue with the next step.
v No: Go to step 5 (See page 164).
This
ends the procedure.
4. Perform the following:
a. Power off the unit that you are working on. Units with an FC 5088 or FC 0588 attached - trace
and remove the lower unit power supply ac jumper cables at the power supplies.
b. Remove the power supply that was left installed in step 3b.
c. Reconnect the next power supply in order (P01 or P02).
d. Power on the unit that you are working on. Units with an FC 5088 or FC 0588 attached -
reconnect the lower frame power supply ac jumper cables at the power supplies.
Does
a power reference code occur?
v No: Exchange the power supply removed in step 4b.
This
ends the procedure.
v Yes: Go to step 6 (See page 165).
5. Perform the following:
a. Power off the unit that you are working on. Units with FC 5088 or FC 0588 attached - trace and
remove the lower unit power supply ac jumper cables at the power supplies.
164 iSeries: iSeries Server 270, 800, 810, 820, 825, 830, 840, 870, 890, SB2, and SB3 Hardware Problem Analysis and
Isolation

IBM iSeries 270 Specifications

General

Brand	IBM
Model	iSeries 270
Category	Server
Language	English