User Manual

6802988C54-D
Chapter 3: VML750 Troubleshooting Causes and Indicators
28
Malfunction Probable Cause Corrective Action
No WiFi connection. WiFi was not configured
as required.
Div/WiFi cable is not
connected.
No LTE connection. Device has not yet been
activated on the LTE net-
work.
SIM card is not inserted/
damaged.
LTE cable (from Main
antenna) is not connect-
ed.
2 Verify that the GPS LED is blinking orange and
then changes to solid green.
SeeVML750 Configuration Guide (6802988C55)
in https://businessonline.motorolasolutions.com for
WiFi configuration.
1 Connect the WiFi/Div cable (See Installing
Antenna Cables).
2 Verify that the WiFi LED is blinking/solid green.
NOTICE: The following steps assume
your network manager or service provider
created a subscription for the LTE
service.
1 Locate ICCID (the identifier for the LTE SIM
card) or PSN (the device serial number) which
is printed on a sticker affixed to the VML750
casing.
2 Contact the network manager or technical
service department and report the ICCID or the
PSN number.
3 Verify that your device has been activated on
the LTE network. See
Powering Up the
Modem.
1 Insert a new SIM into relevant SIM slot. See
Installing the SIM.
2 Close the SIM door.
3 Turn the VML750 On.
4 Verify the LTE LED is blinking orange/green
and then change to solid green.
1 Connect the LTE cable (See Installing
Antenna Cables).
2 Verify that the LTE LED is blinking orange/
green and then changes to solid green.
3 If the above actions do not help, check the
connection between the jumper and the thread
cable.
Missing LTE Band. See VML750 Configuration Guide (6802988C55)
in https://businessonline.motorolasolutions.com for
downloading the license file.