Map 152C: 1.8 V Current/Voltage Problem In Processor Subsystem - IBM pSeries 670 Service Manual

MAP 152c: 1.8 V Current/Voltage Problem in Processor Subsystem

Step 152c-1
For future reference, record the error code in the operator panel display.
Step 152c-2
Turn off the power.
Examine the amber logic-power LEDs of all installed processor subsystem DCAs.
Step 152c-3
Are all amber logic-power LEDs of all installed processor subsystem DCAs off?
Yes Go to "Step 152c-4".
No Call for support.
Step 152c-4
Pull out the following books about 25 mm (1 inch), if present:
v Memory book 0, at location U1.18-P1-M2
v Memory book 1, at location U1.18-P1-M3
v Memory book 2, at location U1.18-P1-M7
v Memory book 3, at location U1.18-P1-M6
Step 152c-5
Turn on the power.
Step 152c-6
Did the system stop with the same error code as recorded in "Step 152c-1"?
Yes Go to "Step 152c-12" on page 174.
No Go to "Step 152c-7".
Step 152c-7
One of the books just removed is defective.
1. Turn off the power.
2. Make sure all amber logic-power LEDs of all installed processor subsystem DCAs are off.
Step 152c-8
Reinsert one of the books that is pulled out and listed in "Step 152c-4".
Step 152c-9
Turn on the power.
Step 152c-10
Did the system stop with the same error code as recorded in "Step 152c-1"?
Yes The book just reinserted is defective. Replace it. This ends the procedure.
Return the system to its original configuration.
Go to "MAP 0410: Repair Checkout" in the RS/6000 and Eserver pSeries Diagnostic Information
for Multiple Bus Systems.
No Go to "Step 152c-11" on page 174.
Chapter 3. Maintenance Analysis Procedures
173