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You can monitor the connection of your LINK 510 to the GSM network and to TomTom
WEBFLEET by looking at the yellow connection LED and referring to the table below. For
detailed diagnostics always use the TomTom Business Solutions Diagnostics Tool.
Support
If you cannot find the answer to your question with the help of the tables above, please
contact the TomTom Business Solutions support team at https://business.tomtom.com/
support.
YELLOW LED mode
OFF
Not connected - No GSM coverage.
• Check if device is connected to power, see
Connecting to power
on page 15. Switch on
ignition.
• Move the vehicle as you may be in a GSM dead
spot.
OFF and short ON every 3sec
Not connected - Correct GSM operator not
avaialable.
• Check WEBFLEET subscription for GSM
network roaming support.
• Move the vehicle as you may be in a GSM dead
spot.
Rapidly flashing
SIM not in place; SIM defective; Modem
problem.
• Use TomTom Business Solutions Diagnostics
Tool for detailed diagnostics and contact
TomTom Business Solutions Customer
support at https://business.tomtom.com/
support. Enclose the log file provided by the
Diagnostics Tool.
ON and short OFF every 3sec
Connecting. No GPRS available.
• Move the vehicle as you may be in a GSM dead
spot.
ON
Connected.