LED Lights

All LEDs remain off when the device is connected to power	Check power supply, check ON/OFF switch
PWR LED flashing	The device is in standby mode Ensure the standby signal is connected to a supply greater than 7 VDC. Ensure the supply voltage is greater than 7 VDC. Device configuration has put the device into standby mode based on low ignition state detected by device
PWR LED ON all other LED OFF	Device is powering on
SIM1/2 LED flashing	SIM card is not detected, check that SIM(s) is inserted properly
GNSS LED flashing	No valid GPS fixes. 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 minutes depending on conditions. GPS LED flashing has no impact on cellular connectivity. Verify GPS antenna is physically connected to the CTM-500
Connection/Cellular LED OFF	RF signal may not be available; Device is in an area of no cellular signal. 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
Connection/Cellular LED (flashing RED)	CTM-500 is registered on the network and is in an area of 5G/LTE 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