IBM eserver p Series Service Manual page 144

Step 1521-18
Is the ac power cable from the rack power distribution unit to the customer's ac power outlet
connected and seated correctly at both ends?
No Connect the ac power cable correctly at both ends.
This ends the procedure. Go to "MAP 0410: Repair Checkout" in the Eserver pSeries
Diagnostic Information for Multiple Bus Systems.
Yes Go to "Step 1521-19."
Step 1521-19
Note: Read the danger and caution notices under "Safety Notices" on page xi before continuing with this
procedure.
Perform the following:
1. Disconnect the mainline ac power cable from the power distribution unit that supplies power to the
base system drawer.
2. Use a multimeter to measure the ac voltage at the power distribution unit end of the mainline ac power
cable.
Is the ac voltage from 200 V ac to 240 V ac?
No Go to "Step 1521-20."
Yes Replace the power distribution unit.
This ends the procedure. Go to "MAP 0410: Repair Checkout" in the Eserver pSeries
Diagnostic Information for Multiple Bus Systems.
Step 1521-20
Note: Read the danger and caution notices under "Safety Notices" on page xi before continuing with this
procedure.
Perform the following:
1. Disconnect the mainline ac power cable from the customer's ac power outlet.
2. Use a multimeter to measure the ac voltage at the customer's ac power outlet.
Is the ac voltage from 200 V ac to 240 V ac?
No Inform the customer that the ac voltage at the power outlet is not correct.
This ends the procedure. Go to "MAP 0410: Repair Checkout" in the Eserver pSeries
Diagnostic Information for Multiple Bus Systems.
Yes Replace the mainline ac power cable.
This ends the procedure. Go to "MAP 0410: Repair Checkout" in the Eserver pSeries
Diagnostic Information for Multiple Bus Systems.
Step 1521-21
Are the amber fault LEDs of both power supplies of the base system drawer on solid?
No Go to "Step 1521-22" on page 125.
Yes Go to "Step 1521- 25" on page 125.
124 EserverpSeries 650 Service Guide