Troubleshooting - Motorola VML750 Installation Manual

Troubleshooting

Troubleshooting
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This paragraph gives details regarding possible malfunctions that may occur after first
time installation of the VML750, their probable cause and the recommended corrective
action. For correct LED indications, refer to
Table 3-1 Troubleshooting the VML750
Malfunction
VML750 does not turn On.
No LAN/Ethernet
connection.
No GPS reception.
3-2
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Contact Motorola Solutions Support Center (SSC) team for further troubleshooting assistance if
necessary. For contact information, refer to
Probable Cause
Power cable is not properly
connected.
Power button was not
properly pressed.
LAN/Ethernet cable is not
connected, or, Micro USB
cable is not connected.
GPS cable (from Main
antenna) is not connected.
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Table 3-2.
"Motorola Solutions Support Center" on page
1. Check the cable connections, connect as required
and turn the VML750 On.
2. Verify that the Power LED is blinking red
(standby mode).
3. Press the Power button to turn On (expect LED
behavior according to ignition state).
1. Apply power to the modem.
2. Verify that the Power LED is blinking red.
3.
4. Verify that the Power LED is blinking orange (in
"ignition enabled" mode), or blinking green and then
solid green (in "ignition disabled" mode).
Connect the LAN/Ethernet cable (refer to
"LAN/Ethernet Cable Installation" on page
the Micro USB cable (refer to
Installation" on page
LED is green.
1. Connect the GPS cable (refer to
Installation (Main and Diversity) for B20 LTE only
Configuration" on page 2-17
Installation (Main and Diversity) for B20 LTE only
Configuration" on page
2. Verify that the GPS LED is blinking orange and
then changes to solid green.
Chapter 3: Troubleshooting the VML750
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Corrective Action
Press the Power button for 2–3 sec.
2-18) and verify that the LAN
2-17).
6802988C54-B July 2014
-xiv.
2-18) or
"Micro USB Cable
"Antenna Cables
or "Antenna Cables