![DEC KA681 System Maintenance Download Page 196](http://html1.mh-extra.com/html/dec/ka681/ka681_system-maintenance_2461319196.webp)
System Troubleshooting and Diagnostics
5.3 Interpreting Power-On Self-Test and ROM-Based Diagnostic Failures
Table 5–9 (Cont.) KA681/KA691/KA692/KA694 Console Displays As Pointers to FRUs
On
Error
Hex
LED
Normal
Console
Display
Default
Action on
Error
On Error
Console
Display
Test Description
FRU
1
Script A3
9
37
Halt
?37
Cache_w_Memory
1, 2
C
C2
Halt
?C2
SSC_RAM_Data_Addr
1
7
80
Halt
?80
CQBIC_memory
1, 2
9
37
Halt
?37
Cache_w_Memory
1, 2
A
51
Halt
?51
FPA
1
4
5F
Halt
?5F
SGEC
1, 6
5
5C
Halt
?5C
SHAC
1, 3
5
5C
Halt
?5C
SHAC
1, 6
8
9A
Halt
?9A
INTERACTION
1,2,3,4
7
83
Halt
?83
QZA_LPBCK1
4
7
84
Halt
?84
QZA_LPBCK2
4
7
85
Halt
?85
QZA_memory
4
7
86
Halt
?86
QZA_DMA
4
B
DB
Halt
?DB
Speed
1
C
41
Halt
?41
Board_Reset
1, 4
Script A4
Invoke script A3 (Loop on A3)
1
Field-replaceable unit key:
1 = KA681/KA691/KA692/KA694
2 = MS690
3 = Backplane
4 = Q22–bus device
5 = System power supply
6 = H3604 console module
7 = Battery
(continued on next page)
5–54 System Troubleshooting and Diagnostics