IBM iSeries 820 Hardware Problem Analysis And Isolation

9. Have you removed all of the power supplies one at a time?
v Yes: Perform the following:
a. Remove the new power supply that was installed in step 8 (See page 173), and reinstall the
original power supply.
b. Replace the BACKPLN (see symbolic FRU “BACKPLN” on page 284).
This
ends the procedure.
v No: Remove the new power supply that was installed in step 8 (See page 173), and reinstall the
original power supply. Then, repeat step 8 (See page 173).
10. Perform the following:
a. Power off the system.
b. Reinstall all of the cards you removed in step 3 (See page 173).
c. Power on the system.
Does
a power reference code occur?
v Yes: Continue with the next step.
v No: Go to step 13 (See page 174).
11.
Perform the following:
a. Power off the system.
b. Disconnect one of the cards you connected in step 10 (See page 174).
c. Power on the system.
Does
a power reference code occur?
v Yes: Continue with the next step.
v No: Exchange the last card you disconnected in this step (see Remove and replace procedures).
This
ends the procedure.
12. Have you disconnected all the cards?
v No: Repeat step 11 (See page 174).
v Yes: Reinstall all the parts and go to “Analyze power problems” on page 31.
This ends the procedure.
13.
Perform the following:
a. Power off the system.
b. Reconnect all of the I/O devices (tape, diskette, or disk units) that you disconnected in step 3
(See page 173).
c. Power on the system.
Does a power reference code occur?
v Yes: Continue with the next step.
v No: This ends the procedure.
14.
Perform the following:
a. Power off the system.
b. Disconnect one of the I/O devices you connected in step 13 (See page 174).
c. Power on the system.
Does
a power reference code occur?
v Yes: Continue with the next step.
v No: Exchange the last I/O device you disconnected in this step (see Remove and replace
procedures).
This ends the procedure.
15.
Have you disconnected all the I/O devices?
174 iSeries: iSeries Server 270, 800, 810, 820, 825, 830, 840, 870, 890, SB2, and SB3 Hardware Problem Analysis and
Isolation

IBM iSeries 820 Specifications

General

Brand	IBM
Model	iSeries 820
Category	Server
Language	English