6. Troubleshooting
If the symptom is not resolved, escalate the issue using the normal process, together with the following
information for further investigation.
• SC sub code (SC672-10 or 99)
• Date/time of problem occurrence
• Factor(s) that trigger the problem (ex. SC672-11 occurred 3 minutes after tuning ON the main
power switch.)
• Occurrence frequency (ex. One out of ten times when turning ON the main power switch)
• Parts replaced
• Date/time when parts were replaced
992