Troubleshooting guide
Table Of Contents
- Maintenance Overview
- DVR Status Check and Camera Alignment – 5 Minute Test
- Adjusting the Date and Time
- Setting the Time and Date Manually
- Setting the Time and Date using GPS
- Changing Fan Filters
- Checking the DVR condition & mounting
- Connecting a Laptop to DVR via Ethernet Cable
- Connecting the DVR to the Computer
- Updating the DVR Firmware
- Reformatting Hard Drives
- Removing the Hard Drive
- Replacing the Hard Drive
- Cleaning the Dome or Wedge Camera Window
- Cleaning the DVR front cover and cable cover
- Troubleshooting Overview

Seon Maintenance and Troubleshooting Guide R004 50
VML
The VML Controller will not
power up
The power cabling may not be completely connected.
Check cabling connections.
VML Controller is not
detected by vMax Live Plus
The GPS cannot detect the satellites. Move vehicle outside away
from obstructions
The cellular connection is not complete. Check with Seon Support for
communicator status.
Has the bus’s Device ID been activated?
Are other units in the area working correctly?
Has the VML Controller been power cycled?
VML Controller LEDs are on
up to 15 minutes after
ignition off
The VML Controller is factory set to have a power delay of 15 minutes to
allow for cellular transmission delays in communicating vehicle activity
after the vehicle reaches the yard.
Reception issues
There are areas that may have no cellular coverage, this may be
apparent in remote areas.
The alarm button is not
working
The red alarm button is connected through a 2 wire cable. Check
connections and check cable for damage.
Stop Arm not tripping vMax
Live + module
Check the wiring that interfaces to the stop arm. See instruction sheet on
proper setup for the connection.