SC Tables
SM 6-17 D115/D116
Trouble-
shooting
No.
Definition
Symptom Possible Cause/Countermeasure
820 Self-Diagnostic Error: CPU
B
[0001-0015] [000A-000D]: Detailed error code
During the boot monitor
program and self-diagnostic,
any exception or cut-in are not
supposed to happen. If these
happen, it is defined as SC.
Defective CPU device
Defective boot monitor program
or self-diagnostic program
1. Replace the controller board.
2. Reinstall the system firmware.
B
[00FF]: Detailed error code
Cache access error in the CPU Defective CPU
Defective local bus
1. Turn the main power switch off
and on.
2. Reinstall the system program.
3. Replace the controller board.
B
[0601, 0602, 0605, 0606, 0607, 0609]: Detailed error code
Exceptional command does not
operate even though it is
executed on purpose.
Defective CPU devices
1. Replace the controller board.
B
[060A-060E]: Detailed error code
Cut-in command does not
operate when it is executed
Defective CPU devices
Defective ASIC devices
1. Replace the controller board.
B
[0610]: Detailed error code
Timer cut-in does not operate
even though it is set
Defective CPU devices
1. Replace the controller board.
B [0612]: Detailed error code
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