Troubleshooting
79
Intermittent
operation.
Loose connections or vibrations
exist.
Check your wiring and tighten any loose connections or
cushion vibration sources.
The board is overheating.
Check environmental and ambient temperature; consult
the board’s specifications on
page 86
of this manual
and the documentation provided by your computer
manufacturer for more information.
Electrical noise exists.
Check your wiring and either provide better shielding or
reroute unshielded wiring.
Data appears
to be invalid.
An open connection exists.
Check your wiring and fix any open connections.
Computer
does not boot.
Board is not seated properly.
Check that the slot in which your DT330 Series board is
located is a PCI slot, that the board is correctly seated
in the slot, and that the board is secured in the slot with
a screw
.
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 board’s specifications on
page 86
of this
manual.
Board does
not interrupt.
Digital I/O port is not configured
properly.
Check the properties of the device driver configuration
using the instructions in
Chapter 2
.
System
lockup.
Board is not seated properly.
Check that the slot in which your DT330 Series board is
located is a PCI slot, that the board is correctly seated
in the slot, and that the board is secured in the slot with
a screw
.
Interrupt level is unacceptable.
An interrupt conflict exists in your system. The most
common interrupt conflict occurs with a PCI device and
a device that is plugged into the ISA bus. To correct this
problem, change the interrupt setting (usually by
changing a jumper) on the ISA device.
An interrupt conflict can also occur if a PCI device was
not designed to share interrupts. To resolve this
problem, select a different interrupt for each PCI slot in
the PCI BIOS. To do this, enter the system BIOS
program; this is usually done by pressing the DEL key
when rebooting your system. Once in the system BIOS,
enter the PCI/PnP BIOS setup, and select a unique
interrupt for each PCI slot. The PCI BIOS assigns the
interrupt; the device on the PCI bus does not have
control over the interrupt assignment.
Some network devices do not share interrupts. If you
still have an interrupt conflict, remove the network
device, install the DT330 Series board, and reboot the
system. Then, reinsert the network device.
Test button
grayed out.
Vdtdad VxD is not installed.
Load the DT330 Series Support Software or the
DataAcq SDK.
Table 25: Troubleshooting Problems (cont.)
Symptom
Possible Cause
Possible Solution
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Содержание DT330 Series
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