Lenovo ThinkPad 380ED TP 380Z Hardware Maintenance Manual (August 1998) for us - 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 is indicated by the two rightmost digits. No FRU is assigned to code 00. If only one FRU is suspected, the other FRU code digits are filled with zeros. See the reference page before replacing the FRU. FRU Code 10 11 12 20 30 32 33 34 35 38 39 40 45 50 51 60 70 72 73 90 92 FRU System board CPU card DC/DC card Memory (see "Memory Checkout" on page 12) Reserved External keyboard External mouse AC Adapter Stereo Speaker Fan Box Speaker LCD unit 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 (HDD). 2. Hard disk drive (HDD) PCMCIA-2 (replicator) 1. Reseat the PC card slot assembly 2. PC Card slot assembly Port replicator CD-ROM drive DVD drive Note: The device ID and error codes are used to indicate the detailed portion of the FRU that is causing the error. If replacing a FRU does not correct the problem, see the device ID or error code from the previous failure. If they changed, the new FRU might be defective, or it may have been incorrectly installed. If the problem persists even after the FRUs are replaced, go to "Undetermined Problems" on page 32. 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 is indicated by the
two rightmost digits.
No
FRU is assigned to code 00.
If only one FRU is
suspected, the other FRU code digits are filled with zeros.
See the reference page before replacing the FRU.
Note:
The device ID and error codes are used to indicate
the detailed portion of the FRU that is causing the
error.
If replacing a FRU does not correct the
problem, see the device ID or error code from the
previous failure.
If they changed, the new FRU
might be defective, or it may have been incorrectly
installed.
If the problem persists even after the FRUs are replaced,
go to “Undetermined Problems” on page
32.
FRU Code
FRU
10
System board
11
CPU card
12
DC/DC card
20
Memory (see “Memory Checkout” on
page 12)
30
Reserved
32
External keyboard
33
External mouse
34
AC Adapter
35
Stereo Speaker
38
Fan
39
Box Speaker
40
LCD unit
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 (HDD).
2.
Hard disk drive (HDD)
70
PCMCIA-2 (replicator)
72
1.
Reseat the PC card slot assembly
2.
PC Card slot assembly
73
Port replicator
90
CD-ROM drive
92
DVD drive
38