User's Manual Part 2

Troubleshooting Chapter 8
OEMV Family Installation and Operation User Manual Rev 5B 125
Symptom Related Section
A command is not accepted by the receiver Check for correct spelling and command syntax.
See Section 4.1, Communications with the
Receiver, Page 57 and refer to the FRESET
command in the OEMV Firmware Reference
Manual.
Differential mode is not working properly See Section 4.3, Transmitting and Receiving
Corrections, Page 60 and refer to the
COMCONFIG log in the OEMV Firmware
Reference Manual.
There appears to be a problem with the
receiver’s memory
Refer to the NVMRESTORE command in the
OEMV Firmware Reference Manual.
An environmental or memory failure. The
receiver temperature is out of acceptable
range or the internal thermometer is not
working
See the ENVIRONMENTAL sections in the tables
of Appendix A, Technical Specifications starting on
Page 129.
Move the receiver to within an acceptable
temperature range or increase the baud rate.
Overload and overrun problems. Either the
CPU or port buffers are overloaded
Reduce the amount of logging. See also Section
4.1.1, Serial Port Default Settings, Page 57.
The receiver is indicating that an invalid
authorization code has been used
Refer to the Version log, VALIDMODELS log and
the MODEL command in the OEMV Firmware
Reference Manual.
The receiver is being affected by jamming Move the receiver away from any possible
jamming sources.
The receiver’s automatic gain control (AGC)
is not working properly
See Section 3.1.2, Choosing a Coaxial Cable,
Page 34 and the jamming symptom in this table.