IBM pSeries 670 Service Manual page 691

Error Code Description
4B27 526C Fault detected in 4-way or 8-way CUoD MCM
4B27 526D Fault detected in 4-way or 8-way CUoD MCM
4B27 526E Fault detected in 4-way or 8-way CUoD MCM
4B28 248B Processor subsystem and other bus tests
detected fault in operator panel
4B28 258A Processor subsystem detected fault in 4-way
processor MCM
4B28 25C0 Processor subsystem and other bus tests
detected fault in system backplane
4B28 25C1 Processor subsystem and other bus tests
detected fault in 1.0 GHz clock card
4B28 25C7 Processor subsystem and other bus tests
detected fault in 4-way processor MCM
4B28 25C8 Processor subsystem and other bus tests
detected fault in 4-way processor MCM
4B28 25CF Processor subsystem detected fault in 8-way
processor MCM
4B28 25D3 Processor subsystem and other bus tests
detected fault in 8-way processor MCM with
VPD card
4B28 25D5 Processor subsystem and other bus tests
detected fault in 8-way processor MCM with
VPD card (8-, 16-, or 24-way)
4B28 25D7 Fault in 4-way processor MCM detected
4B28 25D8 Fault in 4-way processor MCM detected
4B28 25E5 Processor subsystem detected fault in 4-way
processor MCM
4B28 25E9 Processor subsystem detected fault in 8-way
processor MCM
4B28 28B0 Processor subsystem and other bus tests
detected fault in I/O subsystem PCI backplane
4B28 28B1 Processor subsystem and other bus tests
detected fault in I/O subsystem DASD
backplane
Action/
Possible Failing FRU
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Operator panel
Location: U1.17-L1
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
System backplane
Location: U1.18-P1
Clock card
Location: U1.18-P1-X5
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
I/O subsystem PCI backplane at location
specified in error code
I/O subsystem DASD backplane at location
specified in error code
Chapter 5. Error Code to FRU Index
671