IBM 7026-H80 - RS/6000 - 256 MB RAM Service Manual page 117

Service guide
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Step 1522-7
Are all circuit breakers reset at the rack power distribution unit(s)?
NO
YES
Step 1522-8
Are all the cables seated firmly and correctly connected between the primary I/O
drawer, secondary I/O drawers and CEC drawer?
NO
YES
Step 1522-9
Are all the ac power cables seated firmly and connected correctly from the rack
power distribution unit(s) to the rack drawers?
NO
YES
Step 1522-10
Follow the ac power cable(s) from the CEC drawer to the appropriate power distribution
unit.
Is the power distribution unit power LED on?
NO
YES
Reset the circuit breaker..
This ends the procedure. Go to "Map 0410: Repair Checkout" in the
Diagnostics Information for Multiple Bus Systems .
Go to "Step 1522-8".
Fix the cable connections
This ends the procedure. Go to "Map 0410: Repair Checkout" in the
Diagnostics Information for Multiple Bus Systems .
Go to "Step 1522-9".
Fix the connection.
This ends the procedure. Go to "Map 0410: Repair Checkout" in the
Diagnostics Information for Multiple Bus Systems .
Go to "Step 1522-10".
Go to "Step 1522-18" on page 102.
Go to "Step 1522-11" on page 100.
Chapter 3. Maintenance Analysis Procedures
99

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