User's Manual
MRX920/MTX950 User’s Manual C-1
Appendix C Troubleshooting
Troubleshooting Problems
Use the following table to help identify possible solutions to prob-
lems that could occur.
Table A.10 Troubleshooting Table
Problem Probable Cause Things to Check
No Power to the unit.
Loose connection at vehi-
cle power supply recepta-
cle.
Loose connection between
MRX920 unit and power
cable.
Make sure you can hear the
unit’s internal fans.
Bad power cable
Check the continuity of the
cable with ohm meter.
Dead battery or fuse in util-
ity vehicle.
Check the electrical status
of the utility vehicle.
No power to vehicle power
supply receptacle.
Insert lighter and check to
see if it heats up.
Power is applied, the
MTX950 software exe-
cutes, but no route data is
available.
USB flash drive not inserted
Make sure USB flash drive
has been inserted.
Incompatible data on USB
flash drive. See “Perform-
ing Diagnostics,” on page
C-3.
Select Self-Diagnostics tab
to verify that the data on
the USB flash drive is com-
patible.