IBM iSeries Series, Hardware Problem Analysis And Isolation

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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 Power on/off the system and logical partitions 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)
SPCN PIP procedures:
“SPCN PIP1”
“SPCN PIP10”
“SPCN PIP20”
“SPCN PIP21” on page 223
SPCN PIP1: For use by authorized service providers.
A power reference code requiring problem isolation has been detected. Go to “Power PIP11” on page 175
to correct the power problem.
SPCN PIP10: For use by authorized service providers.
A power reference code requiring problem isolation has been detected. Go to SPCN-PIP10 in the Migrated
Expansion Tower Problem Analysis, Repair and Parts manual on the V5R1 Supplemental Manuals web
site .
SPCN PIP20: For use by authorized service providers.
Use this procedure to verify that the lights and display on the system unit and all attached expansion units
are operating correctly. Read the “System power control network (SPCN) PIPs” on page 221 before
continuing with this procedure.
1. If the system has logical partitions, perform this procedure 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. Select function 04 Lamp Test on the control panel and press Enter .
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iSeries: iSeries Server 270, 800, 810, 820, 825, 830, 840, 870, 890, SB2, and SB3 Hardware Problem Analysis and
Isolation