Map 1523: There Is A Bulk Power Regulator (Bpr) Communications Fault; Map 1524: An Open Room Epo Switch Has Been Detected From One Side - IBM pSeries 690 Service Manual

MAP 1523: There Is a Bulk Power Regulator (BPR) Communications
Fault
Step 1523-1
Check the position of the on/off switch on the BPR referenced by the error code that sent you to this MAP.
Is the switch in the ON position (to the left)?
Set the switch to the ON position (to the left), and go to "MAP 0410: Repair Checkout" in the
NO
RS/6000 and Eserver pSeries Diagnostic Information for Multiple Bus Systems.
YES Go to "Step 1523-2".
Step 1523-2
Exchange the following FRUs one at a time:
v BPR referenced by the error code that sent you to this MAP. Follow all steps in the removal and
replacement procedures for "Bulk Power Regulator (BPR)" on page 829.
v BPC on the side referenced by the error code that sent you to this MAP. Follow all steps in the removal
and replacement procedures for "Bulk Power Controller (BPC)" on page 830.
v BPE on the side referenced by the error code that sent you to this MAP. Follow all steps in the removal
and replacement procedures for "Bulk Power Enclosure (BPE)" on page 833.
After each FRU exchanged, is the error code that sent you to this MAP still reported?
Go to "MAP 0410: Repair Checkout" in the RS/6000 and Eserver pSeries Diagnostic Information
NO
for Multiple Bus Systems. This ends the procedure.
YES Replace the next FRU on the list.
MAP 1524: An Open Room EPO Switch Has Been Detected From One
Side
Step 1524-1
Check the unit emergency power off (UEPO) panel.
Is a customer room EPO cable plugged into the UEPO panel?
NO Go to "Step 1524-3" on page 199.
YES Go to "Step 1524-2" on page 199.
198 Eserver pSeries 690 Service Guide