IBM RS/6000 SP, Maintenance Information

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MAP 0520: Switch Assembly Environment
MAP 0520: Switch Assembly Environment
Note: Refer to "Service Position Procedures" in IBM RS/6000 SP: Maintenance Information, Volume 3,
Locations and Service Procedures for placing or removing the switch assembly in/from service
position.
001
– System monitor log reports “Warning”, “Shutdown”, or “Failure” message associated with switch
assembly.
Does message indicate “Shutdown” or “Failure”?
Yes No
002
Message is a warning only.
Does this same message occur on other switch assemblies or processor nodes?
Yes No
003
– Verify that the customer is not experiencing problems with this switch assembly. If no prob-
lems are being experienced, or this is an N+1 fan or power supply failure, then no imme-
diate service is required, and can be deferred until a later date. If problems
are being
experienced, service can be performed now by returning to Step 001 and treating this
message as a “Shutdown” or “Failure” message.
004
– Notify next level of support.
005
A serious environmental condition has been detected in the switch assembly.
Note: If service action has just been completed on this switch assembly, check for loose cables or
shorted conditions in this component.
– Based on the text of the message, use the following table to continue service:
Condition Action
“...P48OK...” Go to “MAP 0530: Switch Assembly Power” on
page 1-313.
“...shutdownP5...”
“...shutdownP12...”
“...shutdownN5...” Go to Step 006 on page 1-302.
“...fanfail...” Go to Step 019 on page 1-304.
“...shutdownTemp...” Go to Step 023 on page 1-306.
“...PS1Fail...”
“...PS2Fail...”
“...P33High...”
“...P33Low...”
“...voltP33Range...”
“...PSFuseGood...” Go to Step 031 on page 1-308.
Chapter 1. Maintenance Analysis Procedures (MAPs)
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