CPT7 and CPT7700 Installation and Operation User Manual v12
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Chapter 10 Troubleshooting
There are simple ways to diagnose and resolve problems. In many cases, the issue can be resolved within a
few minutes, avoiding the inconvenience and loss of productivity that results from having to return the receiver
for repair. This section discusses troubleshooting issues and includes cross-references to other sections of
the manual that may help resolve problems.
If unsure of the symptoms or if the symptoms do not match any of those listed, use the RXSTATUS log to
check the receiver status and error words. See
Try to resolve the problem using the troubleshooting guide in
Table 21: Troubleshooting Based on Symptoms
below, then try our Knowledge Base at
. If you are still not able to resolve the problem,
see
on page 16 for troubleshooting logs and contact information.
Symptom
Related Section
The receiver is not properly powered
Check the power cable. Replace if faulty. See
Supply Requirements for the CPT7
The receiver cannot establish communication
Check the serial cables and ports. Replace if faulty.
See
Refer also to the
SERIALCONFIG
command.
The receiver is not tracking satellites
Ensure that the antenna has an unobstructed view of the
sky from horizon to horizon.
Check the RXSTATUS error states. See
on the next page. If the receiver is in
error mode, it does not track.
Use the Interference Toolkit to check if there is an
interference signal present. See
Check the antenna cable. Replace if faulty. See
on page 27 and
No data is being logged
Refer to
on page 122 and
Random data is being output by the receiver or
binary data is streaming
Check the baud rate on the receiver and in the
communication software. Refer to the
SERIALCONFIG
command and
FRESET
command.
See also
A command is not accepted by the receiver
Check for correct spelling and command syntax.
See
Communications with the Receiver
on page 42 and
refer to the
FRESET
command in the
Table 21: Troubleshooting Based on Symptoms
