IBM 560E Hardware Maintenance Manual - Page 40

FRU Codes, The FRU code

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FRU Codes: If an error is detected by the diagnostic tests, a four-digit FRU code is displayed. The FRU code indicates two suspected FRUs. Replace the FRU that is indicated by the two leftmost digits first; then replace the FRU that indicated by the two rightmost digits. No FRU is assigned to code 00. If only one FRU is suspected, the other FRU code is filled with zeros. See the reference page before replacing the FRU. FRU Code 10 11 20 30 32 33 34 35 36 38 40 45 50 51 60 70 72 73 FRU System board CPU Mini Cartridge Memory (See "Memory Checkout" on page 12.) Reserved External keyboard External mouse AC Adapter Speaker Battery pack Fan LCD assembly External monitor 1. Reseat the diskette drive (FDD-1) 2. Diskette drive (FDD-1) 1. Reseat the diskette drive (FDD-2) 2. Diskette drive (FDD-2) 1. Reseat the hard disk drive 2. Hard disk drive Port replicator (PC Card) PC Card slot assembly Port replicator (USB) If the problem persists after replacement of the FRUs, go to "Undetermined Problems" on page 31. 38

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FRU Codes:
If an error is detected by the diagnostic
tests, a four-digit FRU code is displayed.
The FRU code
indicates two suspected FRUs.
Replace the FRU that is
indicated by the
two leftmost digits
first; then replace the
FRU that indicated by the
two rightmost digits.
No FRU
is assigned to code 00.
If only one FRU is suspected, the
other FRU code is filled with zeros.
See the reference
page before replacing the FRU.
If the problem persists after replacement of the FRUs, go
to “Undetermined Problems” on page
31.
FRU Code
FRU
10
System board
11
CPU Mini Cartridge
20
Memory (See “Memory Checkout” on
page 12.)
30
Reserved
32
External keyboard
33
External mouse
34
AC Adapter
35
Speaker
36
Battery pack
38
Fan
40
LCD assembly
45
External monitor
50
1.
Reseat the diskette drive (FDD-1)
2.
Diskette drive (FDD-1)
51
1.
Reseat the diskette drive (FDD-2)
2.
Diskette drive (FDD-2)
60
1.
Reseat the hard disk drive
2.
Hard disk drive
70
Port replicator (PC Card)
72
PC Card slot assembly
73
Port replicator (USB)
38