Step 1520-24
Remove the system board.
Is anything displayed on the operator panel?
NO
Replace the following parts in order. After each, observe if anything dis-
plays on the operator panel. If something displays, the last FRU replaced
is defective. Replace it and go to "MAP 410: Repair Checkout" in
Diagnostic Information for Multiple Bus Systems.
1. I/O board.
2. PDB.
3. I/O cable from the PDB to the I/O board.
If no defective FRU is found, go to “Step 1540-1” on page 2-26.
YES
The system board is defective. Replace it and go to "MAP 410: Repair
Checkout" in
Diagnostic Information for Multiple Bus Systems.
2-24
RS/6000 Enterprise Server Model H50 Installation and Service Guide
Summary of Contents for RS/6000 H50
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Page 131: ...Chapter 3 Error Code to FRU Index 3 51...
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Page 245: ...Chapter 8 Parts Information Chapter 8 Parts Information 8 1...
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