4 Troubleshooting
For any issue, the first and easiest troubleshooting solution on any electronic device is to reboot the device. Turn off
the QBot 2, then turn it back on again. For troubleshooting any problem with the QBot 2, it is always a good idea to
open the QUARC
r
console in case additional information is printed to the console by going to the QUARC
r
menu
and clicking on Console for all. . .. The console must be opened after the QBot 2 has booted and established a WiFi
connection. If the console is opened successfully it establishes a connection to the target and the console window
has the title QUARC Console for * at tcpip://192.168.2.xxx:17000, where xxx corresponds to the IP address
of the QBot 2.
If you are still unable to resolve the issue after reading through this section, contact tech@quanser.com for further
assistance.
Q1 You cannot ping the QBot 2
Make sure the router is on and the WiFi light on the router is on. Check that the network adapter of the host
PC is connected to the router (or the wireless network Quanser_UVS or Quanser_UVS-5G) and is configured
according to the network configuration procedure outlined in this manual (Section 3.2). Verify that you can
successfully ping the QBot 2 by going to the Windows Start | Run and typing ping 192.168.2.xxx, where
xxx corresponds to the IP address of your QBot 2. Turn off the QBot 2 power and remove the DAQ PCB by
removing the six screws shown in Figure 4.1 and verify that the Gumstix and antenna are properly connected.
Make sure the Gumstix and antenna are securely connected and retry the above steps to establish a wireless
connection. Recycle the power or turn on the robot and wait for approximately 60 seconds.
Q2 The model fails to build/connect or the QUARC console does not successfully open
Turn on the QBot 2 and look at the QBot 2 DAQ PCB between the DAQ and the Kobuki chassis base. When
the QBot 2 powers up, you will see a green LED come on on the bottom of the DAQ. After approximately 30
seconds, a red LED will flash to indicate the QBot 2 WiFi is powering on, and is attempting to connect to the
WiFi network. If the red LED flashes and remains on, then the WiFi module is functioning and is able to find the
wireless network. If the red LED flashes and then turn off, the QBot 2 is not connected to the wireless network.
Check that the network adapter of the host PC is connected to the router (or the wireless network Quanser_UVS
or Quanser_UVS-5G) and is configured according to the network configuration procedure outlined in this
manual (3.2). Verify that you can successfully ping the QBot 2 by going to the Windows Start | Run and
typing ping 192.168.2.xxx, where xxx corresponds to the IP address of your QBot 2. If the red LED never
flashes, the wireless antenna or Gumstix may be disconnected. Turn off the QBot 2 power and remove the
DAQ PCB by removing the six screws shown in Figure 4.1 and verify that the Gumstix and antenna are properly
connected. Make sure the Gumstix and antenna are securely connected and retry the above steps to establish
a wireless connection.
QBOT 2 - User Manual
DRAFT - April 14, 2015
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