IBM RS/6000 SP, Maintenance Information

Page: 121 / 388

MAP 0210: Wide Processor Node Environment
012 (continued)
Is the Environmental (Yellow) LED flashing?
Yes No
013
Problem resolved.
– Go to “MAP 0570: End of Call” on page 1-357.
014
– Put circuit breaker in front of processor node in the Off (‘0’) position.
– Place processor node in service position.
– Remove power compartment cover.
– Go to Step 012 on page 1-100 to service next component.
015
– One or more of the following conditions exist:
Ÿ Warning Fan: “fanwarning1”, “fanwarning2”, ..., “fanwarning5”
Ÿ
Shutdown Fan: “fanfail1”, “fanfail2”, ..., “fanfail5”
– Place processor node in service position.
– Use the following table to reseat or replace components:
Priority Component Action
1 Fan 1, 2, 3, 4 or 5 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 016 on page 1-102.
2 Fan 1, 2, 3, 4 or 5 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 016 on page 1-102.
3 Node supervisor card 1. Replace card.
2. Continue at Step 016 on page 1-102.
4 Node supervisor control cable 1. Replace cable. Refer to Figure 1-16 on
page 1-102, for cable connections.
2. Continue at Step 016 on page 1-102.
5 All replaced Call next level of support.
Chapter 1. Maintenance Analysis Procedures (MAPs)
1-101