IBM RS/6000 SP, Maintenance Information

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MAP 0470: SEPBU Power Control Interface
MAP 0470: SEPBU Power Control Interface
001
Possible problem with the Power Control Interface.
– Locate the Power Control Interface (PCI) card on the SEPBU rear panel.
– Note where any power control cables are connected at the PCI card before continuing.
– Note the position of the local/auxiliary switch.
Is the switch in the local position?
Yes No
002
Does the customer have power control interface cables installed?
Yes No
003
– Put the local/auxiliary switch in the local position.
– Check frame supervisor green LED #2 (dc OK) for a solid ON condition.
Does frame supervisor green LED #2 (dc OK) show a solid ON condition?
Yes No
004
– Go to Step 007
005
Problem resolved.
– Go to Step 023 on page 1-282 to verify fix.
006
– Go to Step 012 on page 1-281
007
Possible problem with the PCI card.
– Put the main power switch in the Off (‘0’) position.
– Refer to "Replacing the SEPBU Power Control Interface (PCI) Card" in
IBM RS/6000 SP: Maintenance
Information, Volume 3, Locations and Service Procedures.
– Ensure the PCI card switch is in the original position.
– Put the main power switch in the On (‘1’) position.
– Check frame supervisor green LED #2 (dc OK) for a solid ON condition.
Does frame supervisor green LED #2 (dc OK) show a solid ON condition?
Yes No
008
– Refer to "Replacing the SEPBU Frame Supervisor Card" in IBM RS/6000 SP: Maintenance Infor-
mation, Volume 3, Locations and Service Procedures.
– Check frame supervisor green LED #2 (dc OK) for a solid ON condition.
(Step 008 continues)
1-280
RS/6000 SP MAPs