SC9xx: Miscellaneous
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
900 CTL
D
Electric counter error
Abnormal data in the counters.
• Defective NVRAM
• Defective controller
1. Check the connection between the NVRAM and controller.
2. Replace the NVRAM.
3. Replace the controller.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
990 CTL
D
Software performance error
The software makes an unexpected operation.
• Defective software
• Defective controller
• Software error
1. Turn the main switch off and on.
2. Reinstall the controller and/or engine main firmware.
• See Note 1 at the end of the SC table.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
991 CTL
C
Software continuity error
The software has attempted to perform an unexpected operation. However,
unlike SC 990, the object of the error is continuity of the software.
• Software program error
• Internal parameter incorrect, insufficient working memory.
This SC is not displayed on the operation panel (logging only).
SC Tables
609
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