SERVICE CALL CONDITIONS
No.
Definition
999
B
Program download error
An error occurs during program
download from an IC card.
Symptom
4-10
Possible Cause
• Incorrect installation of a PCB
• Defective BICU
• Defective controller
• Defective IC card
• Defective NVRAM
• Power failure
NOTE: SC999 is not logged. Once
downloading fails, you may be unable
to retry it. In a case like this, you must
replace the related PCB.
9 March 2004