Ricoh M052 Service Manual page 447

Service Call Conditions
860 B HDD error 1
The hard disk connection
is not detected because it
is defective or has not
been formatted
861 B HDD error 2
The HDD did not enter
the ready status within 30
sec. after power on.
863 B HDD error 3
Startup without HD data lead. Data
stored on the hard disk is not read
correctly, due to a bad sector on the
HDD
HDD error 4
HD data CRC error. During operation
864 D
of the HD, the HD responded with a
CRC error.
M052/M053/M054
Cable between HDC and HDD loose or
defective
HDD power connector loose or defective
HDD not formatted
HDD defective
Replace the controller board
Cable between HDC and HDD loose or
defective
HDD power connector loose or defective
HDD defective
Replace the controller board
Format the HDD
HDD defective
Controller board defective
HDD defective
6-24 SM