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All LEDs remain off when the device is

connected to power

powered

  • No power is being applied to the CTM-ONE

  • Check power supply

, check ON/OFF switch

  • make sure min. 9 VDC is being supplied

PWR LED flashing

  • The device is in standby mode

  • Ensure the standby signal is connected to

a supply

  • greater than

7 VDC.

  • 9VDC

  • Ensure the supply voltage is greater than

7 VDC

  • 9VDC.

Device configuration has put

  • Remember that the device is designed to go into standby mode

based on low ignition state detected by device

  • if the standby signal is off after a configured time period (e.g. 10 seconds by default)

PWR LED ON all other LED OFF

  • Device is booting Linux

Device is

powering on

SIM1/2 LED flashing

  • SIM card is not detected, check that SIM(s) is inserted properly

GNSS

constantly rebooting every 4 minutes with no user input.

Only PWR LED and GPS LED (solid or flashing) are on.

  • Incorrect cellular device is configured. The CTM-ONE is configured by default to auto connect to a cellular network.  If the CTM-ONE determines that communication with the internal cellular radio module or device is not working, it will attempt to reset the communication port; this will result in continual system reboots if incorrect module/device is selected.

 

GPS LED flashing

  • No valid GPS

fixes

  • fix. The GPS antenna requires a clear view of the sky to obtain a valid GPS fix.

 

  • The time to fix can vary from a few seconds to

2-3 Connection/

  • several minutes depending on conditions.

  • GPS LED flashing has no impact on cellular connectivity.

  • Verify GPS antenna is physically connected to the CTM-500

    • Cellular LED OFF

     

    • RF signal may not be available;

    Device

    • CTM-ONE is located in an area of no cellular

    signal

     

    Connection/Cellular LED (flashing RED

    • activity.

    • Cellular device is not registered on the network; make sure radio module/device/SIM has been activated on the network.

  • Device configuration has disabled Cellular connectivity or configuration is incorrect.

  • Verify Cellular antennas are physically connected to the CTM-500

    • Incorrect configuration of internal radio module, ensure correct device has been configured

     

    Cellular LED (solid or flashing)

     

    • CTM-

    500

    • ONE is registered on the network and is in an area of

    5G/LTE

    • 3G or 4G coverage, but device has not obtained an IP address

     

    No internet access after connecting to CTM-500

    Verify packet forwarding is enabled in the configuration of the modem