Service manual

Service Call Conditions
M052/M053/M054 6-24 SM
860 B HDD error 1
The hard disk connection
is not detected because it
is defective or has not
been formatted
Cable between HDC and HDD loose or
defective
HDD power connector loose or defective
HDD not formatted
HDD defective
Replace the controller board
861 B HDD error 2
The HDD did not enter
the ready status within 30
sec. after power on.
Cable between HDC and HDD loose or
defective
HDD power connector loose or defective
HDD defective
Replace the controller board
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
Format the HDD
HDD defective
Controller board defective
864 D
HDD error 4
HDD defective
HD data CRC error. During operation
of the HD, the HD responded with a
CRC error.