SC No. Level Error Name/Error Condition/Major Cause/Solution
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.
• Turn the main power off/on.
• Reinstall the software of the controller and Controller board.
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC991-00 C
Recoverable software operation error
Software attempted an unexpected operation.
SC991 covers recoverable errors as opposed toCS990.
• Parameter error
• Internal parameter error
• Insufficient work memory
• Operation error caused by abnormalities that are normally
undetectable.
Logging only
SC No. Level Error Name/Error Condition/Major Cause/Solution
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.
Turn the main power off/on.
5. Troubleshooting
618