ADIC DS9000 Series - Manual (Page 45)

Troubleshooting and Diagnostics 33
If . . . Then . . . Response . . .
The SCSI terminator may not be
at the end of the bus, or more
than two terminators may be
present Be sure to install a terminator at
each end of the bus. One
terminator is usually installed at
the host system.
The system does not recognize
the DS9000 Series unit 1. The SCSI bus might be too
long. 1. Limit the SCSI bus length to
3 meters (9.8 feet) for SE
configurations, 12 meters
(39.4 feet) for LVD/SE
configurations, and 25 meters
(82 feet) for HVD
configurations.
2. Too many devices might be
on the bus 2. Limit the number of devices
on the bus.
Check the system configuration
rules.
The DS9000 Series unit does
not power up The DS9000 Series unit has no
power Check the DS9000 Series unit
power cord connections with the
DS9000 Series unit power switch
OFF.
All right or all left indicator
panel LEDs on the drive front
panel blink A drive fault has occurred Try to unload the tape and
reinitialize the drive by pressing
the Unload button or turn the
DS9000 Series unit power off and
then on again.
The LEDs will stop blinking and
the drive will try to reinitialize.
The LEDs will turn on steady
again and go off if the test
succeeds.
Undetermined fatal or nonfatal
errors have been detected. The bus termination or SCSI
signal cable connections might
be incorrect Make sure the SCSI bus is
terminated.
The AC power source grounding
might be incorrect Use an AC outlet for the DS9000
Series unit on the same AC circuit
as the AC line powering the host
system.