User Manual

MRX920 User’s Manual 4-1
Chapter 4 Troubleshooting
Troubleshooting the MRX920
The troubleshooting section of this guide provides diagnostics proce-
dures for troubleshooting MRX920 problems. It includes both a hard-
ware section and a software section. It also includes recommendations
on how to verify that the MRX920 is performing up to specification.
Included are tables of possible symptoms, areas of focus, and actions
that can be taken to try to resolve problems that can arise with either
your MRX920 or MX900 software.
Troubleshooting Hardware Issues
Use the following table to help identify possible solutions for hardware
problems that can occur with the MRX920.
Table 4.1 Hardware Troubleshooting Table
Problem Probable Cause Things to Check
No power to the unit.
Loose connection at the vehicle plug.
Loose connection at the MRX920.
Look for the LED on the power cable.
Look for the LED on power cable, but
not on the MRX920. Be sure the red
arrow on the cable matches the red dot
on the MRX920.
Internal fuse blown on the power
cable.
Look for the LED on the power cable.
Dead battery or fuse in the utility
vehicle.
Check the electrical status of the utility
vehicle.