![IBM RS/6000 SP Maintenance Information Download Page 147](http://html2.mh-extra.com/html/ibm/rs-6000-sp/rs-6000-sp_maintenance-information_3502216147.webp)
MAP 0250: 604 or 604e High Node Environment
023
– Remove processor node from service position.
– From the control workstation, power on the processor node.
Is the power supplies green LED off?
Yes No
024
Go to Step 033 on page 1-128.
025
Go to Step 022 on page 1-126 and replace the next highest priority component.
026
Problem with 48 volts supplied to power supply.
– If node N+1 power is present, notify the customer that the 604 or 604e high node must be powered off
before continuing.
– If node N+1 power is not present, continue.
– Place the 604 or 604e high node into service position. Replace the high node power supply cable.
Refer to "Replacing the 604 or 604e High Node Power Supply Cable (at CBJ2)" at
IBM RS/6000 SP:
Maintenance Information, Volume 3, Locations and Service Procedures.
– Replace the 604 or 604e high node from the service position.
Is the power supplies green LED Off?
Yes No
027
– Go to Step 033 on page 1-128.
028
– Place the 604 or 604e high node in service position, and replace the high node circuit breaker corre-
sponding to the power supply. Refer to "Replacing the 604 or 604e High Node Circuit Breaker" in
IBM
RS/6000 SP: Maintenance Information, Volume 3, Locations and Service Procedures.
– Replace the 604 or 604e high node from the service position.
Is the power supplies green LED Off?
Yes No
029
– Go to Step 033 on page 1-128.
030
– Place the 604 or 604e high node in service position, and replace the high node power cable. Refer to
"Replacing the 604 or 604e High Node Power Cable (at CBJ1)" in
IBM RS/6000 SP: Maintenance Infor-
mation, Volume 3, Locations and Service Procedures.
– Replace the 604 or 604e high node from the service position.
(Step 030 continues)
Chapter 1. Maintenance Analysis Procedures (MAPs)
1-127
Summary of Contents for RS/6000 SP
Page 1: ...RS 6000 SP IBM Maintenance Information Volume 2 Maintenance Analysis Procedures GA22 7376 01...
Page 2: ......
Page 3: ...RS 6000 SP IBM Maintenance Information Volume 2 Maintenance Analysis Procedures GA22 7376 01...
Page 8: ...vi RS 6000 SP MAPs...
Page 10: ...viii RS 6000 SP MAPs...
Page 16: ...xiv RS 6000 SP MAPs...
Page 20: ...xviii RS 6000 SP MAPs...
Page 60: ...MAP 0130 Processor Node Figure 1 7 Thin Node High Level Diagram 1 40 RS 6000 SP MAPs...
Page 383: ......
Page 387: ......