Map 152G: 5.0 V Current/Voltage Problem In Processor Subsystem - IBM pSeries 670 Service Manual

MAP 152g: 5.0 V Current/Voltage Problem in Processor Subsystem

Step 152g-1
For future reference, record the error code and the location code(s) that sent you to this MAP.
Step 152g-2
Turn off the power.
Examine the amber logic-power LEDs of all installed processor subsystem DCAs.
Step 152g-3
Are all amber logic-power LEDs of all installed processor subsystem DCAs off?
Yes Go to "Step 152g-4".
No Call for support.
Step 152g-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 152g-5
Turn on the power.
Step 152g-6
Did the system stop with the same error code as recorded in "Step 152g-1"?
Yes Go to "Step 152g-12" on page 201.
No Go to "Step 152g-7".
Step 152g-7
One of the books just removed is defective.
Turn off the power.
Make sure all amber logic-power LEDs of all installed processor subsystem DCAs are off.
Step 152g-8
Reinsert one of the books that is pulled out and listed in "Step 152g-4".
Step 152g-9
Turn on the power.
200 Eserver pSeries 670 Service Guide