IBM RS/6000 SP, Maintenance Information

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MAP 0140: Thin Node/Thin Node 2 Environment
018
Component replaced or reseated.
– Make sure that all cables and components are connected inside the processor node.
– Remove processor node from service position.
– Reconnect all cables at rear of the processor node.
– Put circuit breaker at the front of processor node in the On (‘1’) position.
– Check the Environmental (yellow) LED for an ON or FLASHING condition.
Is the Environmental (yellow) LED ON or FLASHING?
Yes No
019
Problem resolved.
– Go to “MAP 0570: End of Call” on page 1-357.
020
– Put circuit breaker at the front of the processor node in the Off (‘0’) position.
– Go to Step 017 on page 1-52 to service next highest priority component.
021
Priority Component Action
1 Fan 1, 2, or 3 1. Check specified fan for blockage or loose cable
connection.
2. Fix any obvious problem(s). If none are found,
continue at Priority 2.
3. Continue at Step 018 on page 1-53.
2 Fan 1, 2, or 3 1. Replace fan as described in "FRU Removals and
Replacements" in IBM RS/6000 SP: Maintenance
Information, Volume 3, Locations and Service Pro-
cedures.
2. Continue at Step 018 on page 1-53.
3 Node supervisor card 1. Replace card.
2. Continue at Step 018 on page 1-53.
4 Node supervisor control cable 1. Replace cable. Refer to Figure 1-14 on
page 1-54, for cable connections.
2. Continue at Step 018 on page 1-53.
5 All replaced Call next level of support.
Chapter 1. Maintenance Analysis Procedures (MAPs)
1-53