Troubleshooting - Alesis ADAT-XT20 Reference Manual

A
PPENDIX
T
ROUBLESHOOTING
T
ROUBLE
If you are experience problems while operating the XT20, please use the
following table to locate possible causes and solutions before contacting Alesis
customer service for assistance.
Symptom
The display does not light
when the [POWER]
switch is turned on.
FORMAT icon flashes.
The record-enabled tracks'
meters do not indicate
input levels.
Can't change the sample
rate/clock source.
Pressing [AUTO REC]
displays "invALid".
AUTO RETURN icon
flashes.
When used as a slave in a
multiple ADAT system,
doesn't follow the master.
TIME counter does not
show tape position.
Interpolation indicator
( ) lights/flashes.
48K or 44.1K icon
flashes.
Error Message in display
R -
E INITIALIZING
If your unit behaves erratically or "freezes", the first step is to power down the
unit. and power it back up again. If this steps do not solve the problem, you must
reinitialize the software.
To re-initialize the XT20, hold down both [RECORD] and [PLAY] while
turning on the [POWER] switch. This will reset all parameters to their default
settings.
ADAT-XT20 Reference Manual
B
-S I
HOOTING
Cause
No power.
Tape is not formatted.
Cables are not connected
properly or are shorted.
DIGITAL INPUT is
selected.
If slave in a multiple
ADAT system, EXT clock
is selected utomatically.
Locate Point 3's position
is before Locate Point 2.
Locate Point 4's position
is before Locate Point 1.
No ADAT master is
detected.
Edit mode is turned on.
One or more errors have
been detected/corrected
Tape was formatted at
different sample rate
than currently selected.
Several possible
Appendix B: Troubleshooting
NDEX
Solution
Check that the power cable is
plugged in properly.
Format the tape, or reinsert.
Check your audio cables.
Press [ANALOG INPUT].
Set the sample rate/clock
source on the master XT20.
Set Locate Point 3 past Locate
Point 2.
Set Locate Point 4 past Locate
Point 1.
Check sync cables. Power down
the Master only, then restart.
Press [EDIT VALUE] to turn
Edit mode off.
Clean the tape heads.
Make a backup copy of your
tape.
If desired, press [CLOCK
SELECT] to use original
sample rate.
See Appendix C: Error Codes
115