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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
5 6
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
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