IBM RS/6000 SP, Maintenance Information

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MAP 0450: Frame Environment
MAP 0450: Frame Environment
Problem indicated by frame supervisor.
Pri-
ority Condition Action
1 Frame supervisor green LED #2 (dc OK) is
flashing. Go to Step 001.
2 Frame temperature indicates over 40° C. Go to Step 008 on page 1-264.
001
Frame 48 V dc voltage out of range.
DANGER
High energy present. Do not short 48 V to frame or 48 VRtn. Shorting will result in system
outage and possible physical injury.
– Remove rear panel of PDU dc section.
– Unplug the 48 V dc sense cable PDU-FC-P407 at connector card.
– Using a multimeter, measure the dc voltage between PDU-FC-P407 pin 1 and pin 3.
– Replug the 48 V dc sense cable PDU-FC-P407 at connector card.
Is the measured voltage in the range 44-52 V dc?
Yes No
002
DANGER
High voltage present. Perform “Lockout/Tagout Procedure for PDU” on page 1-2 or
“Lockout/Bagout Procedure for PDU” on page 1-3 to remove all power to the frame.
– Replace the 48 V dc sense cable PDU-FC-P407.
– Reconnect ac power and power on system.
– Go to “MAP 0570: End of Call” on page 1-357.
003
– Use the following prioritized table to continue service:
1-262
RS/6000 SP MAPs