IBM B-Series, Maintenance Information

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Figure 8 (Page 10 of 12). FIDs, FRUs, and TACs
Reported
FID
Repair
Sequence
FRU Name Prob-
ability TAC
Code &
(Duration
in hours)
Page Reference or Instruction
E8 Timing problem while writing and/or reading
1 Set a microcode trap based on
the expert systems data, get a
dump , and contact your next
level of support. — — PROC-53
EA Electronic failure
1 Drive logic card 60% L01 (0.5) CARR-16
2 Drive analog card 15% T21 (0.6) CARR-20
3 Drive servo card 10% T53 (1.0) CARR-27
4 Power supply 10% P04 (0.1) CARR-32
5 Mother board 5% L02 (1.0) CARR-28
EB Electronic failure
1 Drive analog card 60% T21 (0.6) CARR-20
2 Drive servo card 15% T53 (1.0) CARR-27
3 Drive logic card 10% L01 (0.5) CARR-16
4 Power supply 10% P04 (0.1) CARR-32
5 Mother board 5% L02 (1.0) CARR-28
EC Electronic failure
1 Drive servo card 60% T53 (1.0) CARR-27
2 Drive analog card 15% T21 (0.6) CARR-20
3 Drive logic card 10% L01 (0.5) CARR-16
4 Power supply 10% P04 (0.1) CARR-32
5 Mother board 5% L02 (1.0) CARR-28
ED Electronic failure
1 Drive logic card 55% L01 (0.5) CARR-16
2 Drive analog card 35% T21 (0.6) CARR-20
3 Mother board 10% L02 (1.0) CARR-28
EE Electronic failure
1 Drive logic card 55% L01 (0.5) CARR-16
2 Drive servo card 35% T53 (1.0) CARR-27
3 Mother board 10% L02 (1.0) CARR-28
F0 Read error
1 Tape cartridge 60% D07 (0.1) Customer supply PROC-98
2 Head-actuator assembly 15% T22 (0.8) CARR-25
3 Drive analog card 10% T21 (0.6) CARR-20
4 Drive logic card 5% L01 (0.5) CARR-16
5 Drive sensor cable 5% T04 (1.1) CARR-29
6 Mother board 5% L02 (1.0) CARR-28
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