Troubleshooting
If an issue persists after you complete a troubleshooting procedure, contact NI technical
support or visit ni.com/support.
What Should I Do if the PXIe-5841 Doesn't Appear in
MAX?
1. In the MAX configuration tree, expand Devices and Interfaces.
2. Expand the Chassis tree to see the list of installed hardware, and press <F5> to refresh
the list.
3. If the module is still not listed, power off the system, ensure that all hardware is correctly
installed, and restart the system.
4. Navigate to the Device Manager.
Operating System Description
Windows 10 Select Start»Control Panel»Device Manager.
Windows 8.1 Right-click the Start button, and select Device Manager.
Windows 7 Select Start»Control Panel»Device Manager.
5. If you are using a PXI controller, verify that a National Instruments entry appears in the
system device list. If error conditions appear in the list, right-click the PXIe-5841 and NI-
RIO FPGA Device nodes and select Update Driver. If you are using an MXI controller,
right-click PCI-to-PCI Bridge, and select Properties from the shortcut menu to verify
that the bridge is enabled.
6. Restart your computer.
Why Is the ACCESS LED Off When the Chassis Is
On?
The LEDs may not light until the device has been configured in MAX. Before proceeding,
verify that the PXIe-5841 appears in MAX.
If the module appears in MAX but the ACCESS LED fails to light after you power on the
chassis, a problem may exist with the chassis power rails, the hardware module, or the LED.
Notice Apply external signals only while the hardware is powered on. Applying
external signals while the hardware is powered off may cause damage.
1. Disconnect any signals from the PXI Express module front panel.
2. Power off the PXI Express chassis.
3. Remove the module from the PXI Express chassis and inspect it for damage. Do not
reinstall a damaged device.
4. Install the module in a different PXI Express chassis slot from which you removed it.
5. Power on the PXI Express chassis.
PXIe-5841 Getting Started Guide | © National Instruments | 17
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