26 July 2002 SERVICE CALL
4-17
Trouble-
shooting
No.
Definition
Symptom Possible Cause
Net file error 925 D
The management file for net files is
corrupted; net files are not normally
read.
Netfiles: Jobs to be printed from the
document server using a PC and the
DeskTopBinder software
• Defective hardware
• Data corruption
• Defective software
Software performance error 990 B
The software attempted to perform an
unexpected operation.
NOTE: When this error occurs, the
file name, address, and data
will be stored in NVRAM. This
information can be checked
by using SP7-403. See the
data and the situation in
which this SC occurs. Then
report the data and conditions
to your technical control
center.
• Software defective
• Internal parameter incorrect
• Insufficient working memory
Software continuity error 991 C
The software attempted to perform an
unexpected operation. However,
unlike SC990, the process can keep
on running.
• Logged only; the machine can continue
to operate
Other system SCs 992 D
The controller received an unknown
SC code from the engine.
• Contact your product specialist.
Application function selection error 997 B
The application selected by a key
press on the operation panel does not
start or ends abnormally.
• Software defective
• An option required by the application
(RAM, DIMM, board) is not installed.
Application start error 998 B
• After switching the machine on, the
application does not start within 60
s. (No applications start or end
normally.)
• Software defective
• An option required by the application
(RAM, DIMM, board) is not installed.
Program download error 999 B
The download (program, print data,
language data) from the IC card does
not execute normally.
Important Notes About SC999
• This SC is not logged, because it
operates primarily in the download
mode.
• If the machine loses power while
downloading, or if for some other
reason the download does not end
normally, this could damage the
controller board or the PCB
targeted for the download and
prevent subsequent downloading. If
this problem occurs, the damaged
PCB must be replaced.
• Software defective
• An option required by the application
(RAM, DIMM, board) is not installed
• Board installed incorrectly
• BICU defective
• Controller defective
• IC card defective
• NVRAM defective
• Loss of power during downloading
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