Scc Led Codes Action Table - Digital Equipment DEC 3000 600 AXP Service Information

LED Codes
Table 5–7 (Cont.) SCC LED Codes
LED
Display
o  oooo  o
o  oooo 
o  ooo  oo
o  ooo  o 
o  ooo  o
o  ooo 
o  oo  ooo
o  oo  oo 
o  oo  o  o
o  oo  o 
o  oo  oo
o  oo  o 
o  oo  o
o  oo 
1
keyboard.
Table 5–8 SCC LED Codes Action Table
Step
1
2
3
4
5
6
5–8
Hex
Code Solution
42 1
43 2
44 1
45 1
46 1
47 4
48 3
49 Reserved
4A Reserved
4B Reserved
4C Reserved
4D Reserved
4E Reserved
4F Informational Only — never stops here.
If replacing the I/O module fixes the system, then try reinstalling the original
Action
Reseat I/O module.
Reseat modem loopback (only in service mode).
Reseat mouse connection.
Reseat keyboard connection.
Replace I/O module.
Replace mouse.
Then Finally
Replace... Replace...
5 —
5 —
5 —
5 —
5 —
1
7 5
6 5
— —
— —
— —
— —
— —
— —
(continued on next page)