3-4
Testing
and
Troubleshooting
Indication
o 2
45
15
30
Procedure
Press:
MEM
DUMP
1 (
3
to 5 second delay)
All
1/0 LEOs
on/or
112
second? -
No
l
Yes
•
Any
110
LEOs left on?
...
No
~
Check/Replace:
•
1.
System control module
Yes
2.
Service panel
! 3. Service panel cable
Read error number from table and
fix
problem.
!
I/O LEDS
(1
= on; 0 = off)
Error
Description
No.
6543210
0
000
0 0 0 0
*
1
o 0 0 0
001
*
2
0000010
Operating system not found;
will
retry
3 o 0 0 0 0 1 1
*
4 o 0 0 0 1 0 0 Bad operating system
file
5
000
0 1 0 1
Not enough usable memory
6 o 0 0 0 1 1 0 I/O card
or
connected device failed self-test
7
o 0 0 0 1 1 1
*
8
000
1
000
*
9
000
1
001
Media or device not ready
10
000
1
010
*
11
000
1 0 1 1 Part of operating system not readable
12
000
1
100
Attempted address
or
read past
end
of volume
13
000
1
101
Controller/unit failed after passing self-test
14
000
1 1 1 0
110
timeout; device did not respond
in
time
15
000
1
111
CS80
error occurred
16
001
0 0 0 0
Tape error occurred
17
o 0 1
000
1
Bad status from HP-IB (I/O card)
18
o 0 1
001
0 Bad
110
bus
19
0010011
NVM
chip failed test
20
001
0 1 0 0 RTC chip not ticking
21 o 0 1 0 1 0 1 Service processor failed self-test
22
0010110
Test card found (Not
an
error)
23
o 0
101
1 1
Test module did not find SCM
24
001
1
000
Memory test
in
progress (Not
an
error)
25
001
100
1
Looking for operating system (Not
an
error)
* These codes are
not
used.
Figure 3-2. Fault Indicators (Sheet 2 of 3)
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