User's Manual Part 2
124 OEMV Family Installation and Operation User Manual Rev 5B
Chapter 8 Troubleshooting
When your receiver appears not to be working properly, often there are simple ways to diagnose and
resolve the problem. In many cases, the issue can be resolved within a few minutes, avoiding the
hassle and loss of productivity that results from having to return your receiver for repair. This chapter
is designed to assist you in troubleshooting problems that occur and includes navigational instructions
to bring you to the part of this manual that details resolutions to aid your receiver’s operation.
If you are 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 Section 8.1, Examining the
RXSTATUS Log, Page 126.
If the problem is not resolved after using this troubleshooting guide, contact NovAtel Customer
Service, see Page 18.
Table 22: Troubleshooting based on Symptoms
Symptom Related Section
The receiver is not properly powered Check for and switch a faulty power cable.
See Section 3.1.3, Power Supply Requirements,
Page 34 and Section 3.3.3, CAN Bus, Page 46.
The receiver cannot establish communication Check for and switch faulty serial cables and ports.
See Section 3.3.3, CAN Bus, Page 46 and
Section 7.6, Status LEDs, Page 122. Refer also to
the COMCONFIG log in the OEMV Firmware
Reference Manual.
The receiver is not tracking satellites Ensure you have an unobstructed view of the sky
from horizon to horizon.
Check for and replace a faulty antenna cable.
See Section 3.1.1, Selecting a GNSS Antenna,
Page 33, Section 3.1.2, Choosing a Coaxial Cable,
Page 34, Section 3.2.4, Connecting the Antenna to
the Receiver, Page 40, Section 3.3.7, Antenna
LNA Power, Page 51 and
refer to the Time to
First Fix and Satellite Acquisition section of the
GPS+ Reference Manual
.
No data is being logged See Section 3.3.3, CAN Bus, Page 46, and
Section 4.1, Communications with the Receiver,
Page 57.
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
COMCONFIG log and FRESET command in the
OEMV Firmware Manual.
See also Section 3.3.3, CAN Bus, Page 46.
Continued on Page 125