IBM RS/6000 SP, Maintenance Information

Page: 90 / 388

MAP 0160: Thin Processor Node Power
008
No problem detected.
– Go to “MAP 0570: End of Call” on page 1-357.
009
Possible problem with node power harness or node supervisor card.
– Go to Step 010
010
– Check circuit breaker at front of processor node. Put circuit breaker in the On (‘1’) position if it is not
already.
Does the circuit breaker stay in the On (‘1’) position?
Yes No
011
– Place processor node in service position.
– Check node power harness inside processor node for any obvious problems which might cause a
short.
Is there an obvious problem which might cause a short?
Yes No
012
– Replace the node supervisor card.
– Remove processor node from service position.
– Reconnect all cables at rear of the processor node.
– Reinstall processor node in the frame and connect power and supervisor cables at rear of
processor node.
– Go to Step 010.
013
– Fix obvious problem(s). If necessary, replace node power harness, N00-NS-J110.
– Remove processor node from service position.
– Reconnect all cables at rear of the processor node.
– Reinstall processor node in the frame and connect power and supervisor cables at rear of
processor node.
– Go to Step 010.
014
Possible problem with 48 V dc harness.
– Go to Step 015
015
– From control workstation or processor node, check Power (green) LED for this node.
(Step 015 continues)
1-70
RS/6000 SP MAPs