NEC SV8500 Operation And Maintenance Manual - page 356
– 309 –
CHAPTER 3
System Messages
[21H] Data Memory Verification Impossible (Flash Card Fault)
Note:
On the e above diagram, the output location of
~
is different depending on which information to look
for; that of DM, LDM, or NDM.
Error detection by Routine
Diagnosis
Flash Card Impossible Verification
Verification of Data Memory
Error Type
Single Code
DM
LDM
NDM
1:
21XX
XX00
XXXX
XXXX
2:
XXXX
XXXX
XXXX
XXXX
3:
0000
0000
0000
0000
4:
0000
0000
0000
0000
5:
0000
0000
0000
0000
6:
0000
0000
0000
0000
7:
0000
0000
0000
0000
8:
0000
0000
0000
0000
9:
0000
0000
0000
0000
b7
b0
b7
b2
b1
b0
b7
b6
b5
b4
b3
b2
b1
b0
b7
b6
b5
b4
b3
b2
b1
b0
1 2
3
4 5
6 7
4 5
6 7
4 5
6 7
4
7
[21H] Data Memory Verification Impossible (Flash Card Fault)
1
b0:
0/1 = -/Active CPU Flash Card is abnormal
2
b0:
0/1 = -/Data Memory (DM)
b1:
0/1 = -/Local Data Memory (LDM)
b2:
0/1 = -/Network Data Memory (NDM)
3
00H: Flash Card Processing NG
01H: Flash Card Not Connected
02H: Flash Card Busy
03H: Flash Card Fault (Fault processing/Not equipment etc.)
04H: Transfer NG
05H: Response Timeout
4
51H: Data Transfer starts
53H: File Transfer starts
55H: Data Load
5