SC8xx: Overall System 
 
467 
 
No.  Type  Details (Symptom, Possible Cause, Troubleshooting Procedures) 
SC820-00  C  Self-diagnostics error: CPU 
[XXXX]: Detailed error code 
[0601]  Read address exception error 
[0602]  Write address exception error 
[0605]  System call exception error 
[0606]  Break exception error 
[0607]  Invalid instruction exception error 
[0609]  Overflow exception error 
  Exception does not occur though executing exception by intention. 
CPU device error 
Replace the controller board 
 
No.  Type  Details (Symptom, Possible Cause, Troubleshooting Procedures) 
SC820-00  C  Self-diagnostics error: CPU 
[XXXX]: Detailed error code 
[060A]  Interrupt line 0 mask exception error 
[060B]  Interrupt line 1 mask exception error 
[060C]  Interrupt line 2 mask exception error 
[060D]  Interrupt line 3 mask exception error 
[060E]  Interrupt line 4 mask exception error 
  Interrupt does not occur though setting interrupt by timer. 
•  CPU device error 
•  ASIC device error 
Replace the controller board. 
 
No.  Type  Details (Symptom, Possible Cause, Troubleshooting Procedures) 
SC820-00  C  Self-diagnostics error: CPU 
[XXXX]: Detailed error code 
[0610]  CPU interrupt timer 2 set error 
Interrupt does not occur though setting interrupt by CPU interrupt timer. 
CPU device error 
Replace the controller board 
 
No.  Type  Details (Symptom, Possible Cause, Troubleshooting Procedures) 
SC820-00  C  Self-diagnostics error: CPU 
[XXXX]: Detailed error code