• Check the Windows Firewall settings to see if the
application is being blocked.
If all installed applications are unable to communicate
with the CDR 900 then:
• Connect the CDR 900 to the PC using USB but
do not connect it to the vehicle, Do not connect
through a USB Hub or a repeater cable.
• Verify that the USB cables are securely attached
and the CDR 900 has completed its power up sequence
• Launch the CDR 900 VCI Manager Application by
selecting Program CDR 900 from the CDR Tool software
• Does CDR 900 VCI Manager detect the device?
If NO, then:
• Try a different USB Cable / Port on the PC
• Check the Windows Firewall to see if the CDR
900 VCI Manager is Blocked. Check that the
CDR 900 USB connection is detected by Windows:
• From the Windows Control Panel, open the
Network and Dial-up Connections window.
• Check for device name "Bosch VCI". If not running, then the USB driver has not been loaded
on the PC. Perform the following troubleshooting steps.
1. Unplug the USB cable from the PC and
plug it back in to the same USB port on the
PC. Continue if not resolved.
2. Unplug the USB cable from the PC and
plug it back in to a different USB port on
the PC. Continue if not resolved.
3. With the CDR 900 plugged into the PC with
a USB cable, open the device manager
from the Windows control panel. In device
manager search for an unknown or improperly configured device. The CDR 900 will
likely be detected as one of the following:
• Other device – RNDIS/Ethernet
Gadget with a yellow exclamation
icon
• Universal serial bus controllers – Unknown USB Device
• Right click on the device name in device manager > Update Driver > Browse
my computer for driver software >
Browse > C:\Program Files (x86)\Bosch
Software\USBDriver
4. Plug a different CDR 900 device (VCI #2)
into the PC (PC #1). Continue if not resolved.
5. Plug the original CDR 900 device (VCI #1)
into a different PC (PC #2) with CDR 900
VCI Manager software installed on it.
6. Contact Technical Support.
If YES, then:
• Test if connection lost when the CDR 900 is
connected to the Vehicle, then...
• Check for Ground faults - (Battery Chargers, Hoists…) This issue may be resolved
by correcting the ground fault or configuring the CDR 900 to connect wireless or
Ethernet.
• Check for an improperly wired DLC connector
• If the CDR 900 VCI Manager is still not able to communicate with the CDR 900, perform the Recovery
Procedure on the CDR 900.
5.11 PC Application is Unable to Commu-
nicate with the CDR 900 over Wireless
Check that the wireless card is properly seated in the
CDR 900.
• Confirm the CDR 900 can connect over USB
Confirm the PC has a single dongle connected:
• Connect the CDR 900 to the PC using USB
• Confirm the communication is enabled and the IP
configuration is properly set using the CDR 900 VCI
Manager software
6. Cleaning and Maintenance
6.1 Cleaning and Storing Your CDR 900
The housing of the
CDR 900
module may only be
cleaned using a soft cloth and a neutral cleaning agent.
Do not use any abrasive cleaning agent or rough cleaning
cloths.
There are no user serviceable components inside the
CDR 900 Vehicle Communication Interface. Do not
open the device. Opening the device will void the warranty.
• If the VCI, connectors, or cables become dirty, they
may be cleaned by wiping them with a rag lightly
coated with a mild detergent or non-abrasive hand
soap.
• Do not immerse the VCI or any of its parts or acces-
sories in water.