Error Code Description
1022 xx15 Second I/O subsystem in second rack (I/O
subsystem 6), DCA-1, cable fault
1022 xx17 Problem with fan 1 and fan 3 in second I/O
subsystem in second rack (I/O subsystem 6)
1022 xx21 Second I/O subsystem in second rack (I/O
subsystem 6), DCA-2
1022 xx23 Seeprom fault on DCA-2 in second I/O
subsystem in secondary rack (I/O subsystem 6)
1022 xx25 Second I/O subsystem in second rack (I/O
subsystem 6), DCA-2, cable fault
1022 xx27 Problem with fan 2 and fan 4 in second I/O
subsystem in second rack (I/O subsystem 6)
1022 xx31 Second I/O subsystem in secondary rack (I/O
subsystem 6) I/O subsystem backplane 1 fault
1022 xx33 Seeprom fault on I/O subsystem backplane 1 in
second I/O subsystem in secondary rack (I/O
subsystem 6)
Broken 12C Bus
1022 xx41 Second I/O subsystem in secondary rack (I/O
subsystem 6) I/O subsystem backplane 2 fault
1022 xx43 Seeprom fault on I/O subsystem backplane 2 in
second I/O subsystem in secondary rack (I/O
subsystem 6)
1022 xx51 Second I/O subsystem in secondary rack (I/O
subsystem 6) DASD backplane 1 fault
1022 xx53 Seeprom fault on DASD backplane 1 in second
I/O subsystem in secondary rack (I/O subsystem
6)
1022 xx61 Second I/O subsystem in secondary rack (I/O
subsystem 6), DASD backplane 2 fault
1022 xx63 Seeprom fault on DASD backplane 2 in second
I/O subsystem in secondary rack (I/O subsystem
6)
1022 xx71 Second I/O subsystem in secondary rack (I/O
subsystem 6), DASD backplane 3 fault
Action/
Possible Failing FRU
Go to "MAP 1520: Power" on page 144 with
these pairs of location codes:
1. U2.5-V1/Q1 and U1.35-P2-X2/Q3
2. U2.5-V1/Q2 and U1.35-P1-X2/Q3
1. DCA-1
Location U2.5–V1
2. Fan 1,
Location U2.5–F1
3. Fan 3,
Location U2.5–F3
U2.5-V2
U2.5-V2
Go to "MAP 1520: Power" on page 144 with
these pairs of location codes:
1. U2.5-V2/Q1 and U1.35-P2-X2/Q4
2. U2.5-V2/Q2 and U1.35-P1-X2/Q4
1. DCA-2
Location U2.5–V2
2. Fan 2,
Location U2.5–F2
3. Fan 4,
Location U2.5–F4
U2.5-P1
U2.5-P1
U2.5-P2
U2.5-P2
U2.5-P3
U2.5-P3
U2.5-P4
U2.5-P4
U2.5-P5
Chapter 5. Error Code to FRU Index
399