Step 1523-13
Are all the ac power cables seated firmly and connected correctly from the rack power distribution
unit(s) to the rack drawers?
NO Fix the connection.
This ends the procedure. Go to ″MAP 0410: Repair Checkout″ in the RS/6000 and Eserver
pSeries Diagnostic Information for Multiple Bus Systems.
YES Go to “Step 1523-14.”
Step 1523-14
Follow the ac power cable(s) from the secondary I/O drawer to the appropriate power distribution unit.
Is the power distribution unit power LED on?
NO Go to “Step 1523-18” on page 104.
YES Go to “Step 1523-15.”
Step 1523-15
Note: Read the danger and caution notices under “Safety Notices” on page xi before continuing with this
procedure.
Perform the following:
1. Disconnect the ac power cable(s) from the power distribution unit that supplies power to the secondary
I/O drawer.
2. Use a multimeter to measure the ac voltage at the power distribution unit socket(s) where the ac
power cable(s), just removed, was (were) attached.
Is
the ac voltage from 200 V ac to 240 V ac?
NO Replace the power distribution unit. Reconnect the ac power cable(s) to the power distribution unit.
This ends the procedure. Go to ″MAP 0410: Repair Checkout″ in the RS/6000 and Eserver
pSeries Diagnostic Information for Multiple Bus Systems.
YES Go to “Step 1523-16” on page 103.
102 Service Guide
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