Step 1523-10
Are all the dc power cables seated firmly and connected correctly from the rack power distribution
panel 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 1523-11.”
Step 1523-11
Note: Read the danger and caution notices under “Safety Notices” on page xi before continuing with this
procedure.
Perform the following:
1. Disconnect the dc power cable from each power supply of the secondary I/O drawer.
2. Use a multimeter to measure the dc voltage at the drawer end of each dc power cable.
Is
the dc voltage from −40 V ac to −60 V ac?
NO There is no power to the drawer. Refer to the rack documentation to isolate the dc power problem.
The 7014 Series Model T00 and T42 Rack Installation and Service Guide is appropriate for most
systems.
This ends the procedure.
YES Go to “Step 1523-17” on page 103.
Step 1523-12
Are all circuit breakers reset at the rack power distribution unit(s)?
NO Reset the popped breaker.
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 1523-13” on page 102.
Chapter 3. Maintenance Analysis Procedures 101
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