HP 7936 Support Manual page 149

NUMBER
(hex/dec)
70/112
71/113
72/114
73/115
74/116
76/118
Troubleshooting and Diagnostics
7936 and 7937
Table 8-2. List of DERROR/TERROR's (13 of 25)
INTER-
FACE
HP-IB
HP-IB
HP-IB
HP-IB
HP-IB
HP-IB
ERROR
DESCRIPTION
WRITE SERVO MESSAGE
TIMEOUT. (Event; FRU
=
servo). A timeout occurred
while attempting to write a
complete servo message to the
servo system interface port.
ILLEGAL SERVO MESSAGE.
(Event; FRU
=
servo).
The servo message recei ved
was not recognized.
SERVO AMPLIFIER FAULT.
(Event; FRU
=
servo).
The servo system reported a
servo amplifier fault.
SERVO AGe FAULT.
(Event; FRU
=
servo).
The servo system reported a
sampled servo AGe fault.
SERVO RESETTLE TIMING
ERROR. (Event; FRU
=
s e
rv
0 ) •
The servo system
reported a sampled servo
timing error during resettling
on track.
SERVO SETTLE TIMEOUT.
(Event; FRU
=
servo).
The servo system was unable to
settle on track after a head
switch or seek.
SUSPECT
ASSEMBLY
1. Servo peA-AI
1. Servo peA-AI
1. Servo peA-AI
1. Servo peA-AI
1. Servo peA-AI
1. Servo peA-AI
8-27