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Troubleshooting and Diagnostics
7936 and 7937
Table 8-2. List of DERROR/TERROR's (10 of 25)
8-24
NUMBER
(hex/dec)
5F/95
60/96
61/97
62/98
63/99
64/100
INTER-
FACE
HP-IB
HP-IB
HP-IB
HP-IB
HP-IB
HP-IB
ERROR
DESCRIPTION
DEFAULT
HDA
CONFIGURATION. (Fault;
FRU
=
servo). The default
HDA configuration table has
been used for specifying the
drive description
parameters.
The default table specifies a
7937 HDA.
CA T ASTROPHIC
CONTROLLER
FAULT.
(Fault; FRU
=
controll-
er). A controller fault condi-
tion
was
detected
which
required resetting the drive.
POSITION VERIFY ERROR.
{Event; FRU
=
servo}. A
verify of the track header ad-
dress indicates that the heads
are positioned incorrectly.
WRITE SERVO AMPLIFIER
FAULT. {Fault;
FRU
=
s e rv
0 } •
The servo system
reported an amplifier
fault
during a disc write.
WRITE SERVO AGC ERROR.
{Fault;
FRU
=
servo}.
The servo system reported an
AGC error during a disc write.
WRITE
SECTOR
TIMING
HIGH. {Fau 1 t; FRU
=
ser-
v
0 } •
The sector timing was
higher than the specified limit
during a disc write.
SUSPECT
ASSEMBLY
1. Servo PCA-AI
1. Controller PCA-A6
1. Servo PCA-Al
2. Controller PCA-A6
3. HDA A3
1. Servo PCA-A 1
1. Servo PCA-A 1
1. Servo PCA-Al
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