IBM RS/6000 SP, Maintenance Information

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MAP 0340: POWER3 SMP Thin and Wide Node Power
030 (continued)
Is the CB switched On?
Yes No
031
Set the CB to the On position.
Did the CB switch on and stay on?
Yes No
032
Did the CB trip?
Yes No
033
– Go to Step 021 on page 1-202.
034
Possible power supply problem or short condition.
– Go to Step 043 on page 1-204.
035
– Go to Step 008 on page 1-200.
036
Node 48 volts missing.
– Go to MAP 0330: POWER3 SMP Thin and Wide Node Environment, Step 017 on page 1-192.
037
Check the node supervisor card yellow LED 5.
Is the yellow LED 5 Off?
Yes No
038
Base code loaded on node supervisor card.
– Go to "Updating the Node Supervisor Code" in
IBM RS/6000 SP: Maintenance Information,
Volume 3, Locations and Service Procedures.
– Go to Step 050 on page 1-205.
039
– Check the power supplies green LED.
Is the power supplies green LED Off?
Yes No
040
– Go to MAP 0330: POWER3 SMP Thin and Wide Node Environment, Step 014 on page 1-192.
Chapter 1. Maintenance Analysis Procedures (MAPs)
1-203