IBM pSeries 690 Service Manual page 229

Step 1529-3
Inform the customer that the line voltage into the BPA is missing or too low, and needs to be checked.
Can the line voltage be checked now?
NO Defer this repair until the customer's utility can check the line voltage. This ends the procedure.
YES Go to "Step 1529-4".
Step 1529-4
Does the customer utility voltage check out OK?
NO The customer must restore utility voltage. This ends the procedure.
YES Exchange the power cord, and go to "Step 1529-5".
Step 1529-5
Press the service complete button.
Is error code that sent you to this MAP still reported?
The problem has been corrected. Go to "MAP 0410: Repair Checkout" in the RS/6000 and
NO
Eserver pSeries Diagnostic Information for Multiple Bus Systems. This ends the procedure.
YES Call for support. This ends the procedure.
Chapter 3. Maintenance Analysis Procedures
209