IBM i 830, Repair Manual

Page: 414 / 1000

Is the DC voltage from 200 V AC to 240 V AC for each power jumper cable?
Yes No
↓
Exchange the power jumper cable.
This ends the procedure.
24. Exchange power supply – part PWRSPLY.
This ends the procedure.
Storage Device I/O Processor (SDIOP) Problem Isolation
Procedures
Overview
This section contains the procedures necessary to isolate a failure in the multiple
function I/O card.
Read all safety procedures before servicing the system. Observe all safety
procedures when performing a procedure. Unless instructed otherwise, always
power off the system or expansion tower where the FRU is located, (see “Powering
On and Powering Off the System and Logical Partitions” on page 922) before
removing, exchanging, or installing a field-replaceable unit (FRU).
DANGER
To prevent a possible electrical shock from touching two surfaces with
different electrical grounds, use one hand, when possible, to connect or
disconnect signal cables. (RSFTD004)
DANGER
To prevent a possible electrical shock during an electrical storm, do not
connect or disconnect cables or station protectors for communications lines,
display stations, printers, or telephones. (RSFTD003)
DANGER
To prevent power from switching on automatically during service procedures,
select manual or secure mode on the system unit control panel or disconnect
the cables that connect to J15 and J16 on the frame being serviced.
(RSFTD211)
Warning:
Disconnecting the J15 and J16 cables will not prevent the system unit
from powering on.
Read and understand the following service procedures before using this section:
v
“Powering On and Powering Off the System and Logical Partitions” on page 922
v
“Initial Program Load (IPL) Information” in the iSeries Service Functions
information.
v ″
Determining the Load Source Disk and Alternate IPL Device
″
in the system
Problem Analysis Book.
Power PIPs
400
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1