HP 7936 Support Manual page 139

NUMBER
(hex/dec)
13/19
14/20
15/21
16/22
17/23
18/24
Troubleshooting and Diagnostics
7936 and 7937
Table 8-2. List of DERRORjTERROR's (3 of 25)
INTER-
FACE
HP-IB
HP-IB
HP-IB
HP-IB
HP-IB
HP-IB
ERROR
DESCRIPTION
ILLEGAL PARAMETER.
(Status On ly). A parame-
ter field was the wrong length
for the opcode preceding it.
UTILITY PARAMETER.
(Status Only). The utility
opcode received is not sup-
ported for this device, or the
utility parameter received is
out of range for the specified
utility opcode.
REQUEST RELEASE.
(Status On ly). The drive
needs to make a nonvolatile
copy of its RAM logs in the
disc logs.
MAINTENANCE TRACK
OVERFLOW. (Status Only
The error and fault log areas
of the disc are full.
BAD SPARE AT POWER-ON.
(Fau 1 t). During the power-
on sequence, the mapping of a
spare track could not be
determined.
BAD SECTOR MARK
TIMER. (Fau
1 t;
FRU
=
controller). During
power-on diagnostics, the
SOS-L signal timer in the con-
troller was unable to interrupt
or count correctly.
SUSPECT
ASSEMBLY
1. Host hard/software
2. Cabling
3. Controller PCA-A6
1. Host hard/software
2. Cabling
3. Controller PCA-A6
None
None
1. Read/Write PCA-A2
2. HDA A3
1. Servo PCA-Al
2. Controller PCA-A6
8-17