Data Translation DT9812 Series, User Manual

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Troubleshooting
91
Device failure error
reported. The module cannot
communicate with the Microsoft
bus driver or a problem with the
bus driver exists. Check your cabling and wiring and tighten any loose
connections; see the instructions in
Chapter 3 .
The module was removed while
an operation was being
performed. Ensure that your module is properly connected; see
the instructions in
Chapter 2 .
Data appears to be
invalid. An open connection exists. Check your wiring and fix any open connections; see
the instructions in
Chapter 3 .
A transducer is not connected to
the channel being read. Check the transducer connections; see the
instructions in
Chapter 3 .
The transducer is set up for
differential inputs while the
module is wired for single-ended
inputs. Check your wiring and ensure that your transducer
connects to the single-ended inputs of your module;
see the instructions in
Chapter 3 .
The module is out of calibration. The modules are calibrated at the factory. The
DT9812-2.5V does not require additional calibration.
If you want to readjust the calibration of any other
DT9812, DT9813, or DT9814 Series module, refer to
the instructions in
Chapter 8 .
Computer does not boot. The power supply of the
computer is too small to handle
all the system resources. Check the power requirements of your system
resources and, if needed, get a larger power supply;
consult the module’s specifications on
page 110 .
USB 2.0 is not
recognized. Your operating system does not
have the appropriate Service
Pack installed. Ensure that you load the appropriate Windows
Service Pack (version 2 for Windows XP). If you are
unsure of whether you are using USB 2.0 or USB 1.1,
run the Open Layers Control Panel applet, described
in
Chapter 2 .
Standby mode is enabled on
your PC. For some PCs, you may need to disable standby
mode on your system for proper USB 2.0 operation.
Consult Microsoft for more information.
Table 22: Troubleshooting Problems (cont.)
Symptom Possible Cause Possible Solution