Ricoh A-C2 - Page 169

19 January, 2001 SERVICE CALL CONDITIONS
4-13
Trouble-
shooting
Code No. Symptom Possible Cause
Self-diagnostic Error: ROM828 B
The resident read-only memory
returned an error during the self-
diagnostic test.
• Controller board defective
• Firmware defective
Self-diagnostic Error: Optional RAM829 B
The optional RAM returned an error
during the self-diagnostic test.
• RAM DIMM defective
• Controller board defective
Self-Diagnostic Error: Parallel Interface835 B
Loopback test error.
• Loopback connector not detected
• IEEE1284 connector defective
• Controller board defective
Self-diagnostic Error: Resident Font
ROM
836 B
The resident font ROM returned an
error during the self-diagnostic test.
• Font ROM defective
Self-diagnostic Error: Optional Font
ROM
837 B
The optional font ROM returned an
error during the self-diagnostic test.
• Font ROM defective
Self-diagnostic Error: Clock Generator838 B
Verify error occurred when setting data
was read from the clock generator via
the I2C bus.
• Clock generator abnormal
• I2C bus abnormal
• CPU port for the I2C bus abnormal
Network I/F Abnormal850 B
NIB interface error.
• NIB defective
• Controller board defective
IEEE 1394 I/F Abnormal851 B
IEEE1394 interface error.
• IEEE1384 interface board defective
• Controller board defective
Startup without HD connection at main
power on
860 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
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 error864 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 error865 B
The hard disk detected an error.
• Error detected other that the bad
sectors error (SC863) or the CRC
error (SC864)