SC9xx: Others 
 
SM  6-125  D0CA/D0C9/D0C8/D0CB 
 
No.  Type  Details (Symptom, Possible Cause, Troubleshooting Procedures) 
SC990-00  D  Software Operation Error 
Software attempted an unexpected operation. 
•  Parameter error 
•  Internal parameter error 
•  Insufficient work memory 
•  Operation error caused by abnormalities that are normally undetectable. 
1.  Cycle the main power OFF/ON. 
2.  Reinstall the software of the controller and BiCU (PCB1). 
 
No.  Type  Details (Symptom, Possible Cause, Troubleshooting Procedures) 
SC991-00  C  Recoverable Software Operation Error 
Software attempted an unexpected operation. 
SC991 covers recoverable errors as opposed to SC990. 
•  Parameter error 
•  Internal parameter error 
•  Insufficient work memory 
•  Operation error caused by abnormalities that are normally undetectable. 
Logging only. 
 
No.  Type  Details (Symptom, Possible Cause, Troubleshooting Procedures) 
SC992-00  D  Undefined SC Issued 
An SC, that is not controlled by the system, occurred. 
•  An SC for the previous model was used mistakenly, etc. 
•  Basically a software bug. 
1.  Cycle the main power OFF/ON. 
 
No.  Type  Details (Symptom, Possible Cause, Troubleshooting Procedures) 
SC994-00  C  Application Item Error 
The numbers of executed application items on the operation panel reach the 
maximum limit for the operation panel structure. 
Too many executed application items 
Logging only