IBM pSeries 690 Service Manual page 494

Error Code Description
1023 F516 An N+1 boundary (DCA or fan) has dropped to
N-mode status in the fourth subsystem (with IBF,
location: U2.9.
1023 F526 An N+1 boundary (DCA or fan) has dropped to
N-mode status in the fourth I/O subsystem (with
IBF), location: U2.9.
1023 xx11 Fourth I/O subsystem moves to second rack
(with IBF), DCA-1
1023 xx13 Seeprom fault on DCA-1 in fourth I/O subsystem
(with IBF) in secondary rack
1023 xx15 Fourth I/O subsystem moves to second rack
(with IBF), DCA-1, cable fault
1023 xx17 Problem with fan 1 and fan 3 in fourth I/O
subsystem (with IBF, moves to second rack)
1023 xx21 Fourth I/O subsystem moves to second rack
(with IBF), DCA-2
1023 xx23 Seeprom fault on DCA-2 in fourth I/O subsystem
(with IBF) in secondary rack
1023 xx25 Fourth I/O subsystem moves to second rack
(with IBF), DCA-2, cable fault
1023 xx27 Problem with fan 2 and fan 4 in fourth I/O
subsystem (with IBF, moves to second rack)
1023 xx31 Fourth I/O subsystem (with IBF) in secondary
rack I/O subsystem backplane 1 fault
478 Eserver pSeries 690 Service Guide
Action/
Possible Failing FRU
This is normally an informational message. It
should be accompanied by other error codes that
more precisely indicate where the failure is.
Examine the service processor error log. If there
are no other power-related error codes (in the
time frame in which this code was generated) in
the service processor error log, the FRU
indicated with this error code, if any, should be
replaced.
This is normally an informational message. It
should be accompanied by other error codes that
more precisely indicate where the failure is.
Examine the service processor error log. If there
are no other power-related error codes (in the
time frame in which this code was generated) in
the service processor error log, the FRU
indicated with this error code, if any, should be
replaced.
U2.9-V1
U2.9-V1
Go to "MAP 1520: Power" on page 194 with
these pairs of location codes:
1. U2.9-V1/Q1 and U1.35-P2-X2/Q5
2. U2.9-V1/Q2 and U1.35-P1-X2/Q5
1. DCA-1
Location U2.9–V1
2. Fan 1,
Location U2.9–F1
3. Fan 3,
Location U2.9–F3
U2.9-V2
U2.9-V2
Go to "MAP 1520: Power" on page 194 with
these pairs of location codes:
1. U2.9-V2/Q1 and U1.35-P2-X2/Q6
2. U2.9-V2/Q2 and U1.35-P1-X2/Q6
1. DCA-2
Location U2.9–V2
2. Fan 2,
Location U2.9–F2
3. Fan 4,
Location U2.9–F4
U2.9-P1