Trouble-
shooting
SERVICE CALL CONDITIONS
SM 4-15 B079/B082
Code No. Symptom Possible Cause
Startup without HD detection at power
key on
861 C
The hard disk connection is not
detected.
Cable between HDC and HD loose or
defective
HD power connector loose or defective
HD defective
HDC defective
Maximum number of bad sectors
detected on HD
862 A
Up to 101 bad sectors have appeared
in the area on the hard disk where
image data is archived, and the hard
disk may require replacement.
SC863 returned while reading data from
the HD and the number of registered
bad sectors reached 101.
Startup without HD data lead
863 B
Data stored on the hard disk is not read
correctly.
A bad sector occurred during operation
of the HD
HD data CRC error 864 B
During operation of the HD, the HD
responded with a CRC error.
Data transfer was abnormal in the data
read from the HD.
HD access error 865 B
The hard disk detected an error.
Error detected other that the bad
sectors error (SC863) or the CRC
error (SC864)
870 Address Book Data Error
B
Address book data stored on the hard
disk was detected as abnormal when it
was accessed from either the operation
panel or the network.
Software defective
HDD defective
871 FCU Flash ROM Error
B
The address book written into the flash
ROM mounted on the FCU is detected
as defective.
Flash ROM device defective
Replace flash ROM on the MBU
880 MLB Error
B
A request for access to the MLB (Media
Link Board) was not answered within
the specified time.
MLB defective
Electronic total counter error 900 B
The value of the total counter has
already exceeded 9,999,999
NVRAM defective
SC901 Mechanical total count error 901 B
The IO board cannot receive the
mechanical total count data.
Mechanical total counter defective
920 Printer Error 1
B
An internal application error was
detected and operation cannot
continue.
Software defective
Insufficient memory
925 Network File Error
B
NIA
NIA
F-gate error at write request 951 C
After the IPU receives an F-gate signal,
it receives another F-gate signal.
Software defective
BICU defective