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NUMBER
(hex/dec)
65/101
66/102
67/103
68/104
69/105
Troubleshooting and Diagnostics
7936 and 7937
Table 8-2. List of DERROR/TERROR's (11 of 25)
INTER-
FACE
HP-IB
HP-IB
HP-IB
HP-IB
HP-IB
ERROR
DESCRIPTION
WRITE
SECTOR
TIMING
LOW. (Fault; FRU
=
ser-
v 0) .
The sector timing was
higher than the specified limit
during a disc write.
RECALIBRATE COMMAND
IGNORED. (Fau 1 t;
FRU
=
spindle). The servo has ig-
nored
a
command
to
recalibrate the servo system
beca use the spindle is not spin-
ning sufficiently.
UNRESOLVED
VERIFY
FAILURE. (Event;
FRU
=
controller).
The compen-
sation seek algorithm was un-
able to resolve the occurrence
of a position verify error.
CORRECTABLE
SEEK
ERROR. (Event;
FRU
=
servo). A position verify er-
ror has occurred beca use of
head
mispositioning,
correc-
table using a compensatory
seek.
UNCORRECTABLE
SEEK
ERROR. (Event:
FRU
=
servo). A position verify er-
ror has occurred because of
head mispositioning. uncorrec-
table using a compensatory
seek.
SUSPECT
ASSEMBLY
1. Servo PCA-Ai
1. Spindle Motor B 1
1. Controller PCA-A6
1. Servo PCA-Ai
1. Servo PCA-A 1
8-25
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