Step 1522-11
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 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 dc to −60 V dc?
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 1522-17” on page 117.
Step 1522-12
Are all circuit breakers reset at the rack power distribution unit(s)?
NO Reset the breaker switch.
This ends the procedure. Go to ″MAP 0410: Repair Checkout″ in the RS/6000 Eserver pSeries
Diagnostic Information for Multiple Bus Systems.
YES Go to “Step 1522-13”.
Step 1522-13
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 Eserver pSeries
Diagnostic Information for Multiple Bus Systems.
YES Go to “Step 1522-14”.
Step 1522-14
Follow the ac power cable(s) from the I/O drawer to the appropriate power distribution unit.
Is the power distribution unit power LED on?
NO Go to “Step 1522-18” on page 118.
YES Go to “Step 1522-15” on page 117.
116 Eserver pSeries 630 Model 6C4 and Model 6E4 Service Guide
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