IBM RS/6000 SP, Maintenance Information

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MAP 0530: Switch Assembly Power
038 (continued)
– Go to Step 007 on page 1-313 to verify replacement.
039
Front chassis cable failed test.
– Ensure that the circuit breaker is in the On (‘1’) position. Then check for continuity between the
tabs of the circuit breaker.
Is there continuity?
Yes No
040
– Replace the circuit breaker.
– Go to Step 007 on page 1-313 to verify replacement.
041
– Replace the front chassis cable. Refer to "Removing the Switch Front Chassis Cable (SPS,
SPS-8)" in IBM RS/6000 SP: Maintenance Information, Volume 3, Locations and Service Proce-
dures.
– Go to Step 007 on page 1-313 to verify replacement.
042
– If this is the first time through this step, replace the supervisor card. Refer to "Removing the Switch
Supervisor Card (HiPS 3.0, HiPS-LC8, SPS, SPS-8)" in IBM RS/6000 SP: Maintenance Information,
Volume 3, Locations and Service Procedures. Then go to Step 007 on page 1-313 to verify replace-
ment.
– If this is the second time through this step, replace the switch inner chassis. Refer to "Procedures for
Switch Assemblies" in
IBM RS/6000 SP: Maintenance Information, Volume 3, Locations and Service
Procedures. Then go to Step 007 on page 1-313 to verify replacement.
– Otherwise, go to “MAP 0480: Open in 48 V dc Distribution” on page 1-283
Chapter 1. Maintenance Analysis Procedures (MAPs)
1-319