User Guide Troubleshooting
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5G LED
By default, the 5G LED and three signal LEDs are off. The white 5G LED indicates
4G or 5G service availability while a signal test is in progress.The status LED is green
during the device's normal state.
When the signal test button is pressed, the 5G LED and the three signal LEDs blink
fast for a few seconds, then the 5G LED will be on for five seconds if the network is
5G or will be off if the network is 4G.
The signal LED will be on according to the cell strength. The 5G LED and signal LED
turn off after the signal test (five seconds, which is the default).
Green Solid Signal test in progress.
4G/LTE or 5G connection
Do nothing
White Blinking Software upgrade is ongoing Caution: do not turn off the device
Table 1 Status LED (Continued)
LED color LED behavior What it means What you may consider doing
Table 2 5G LED
LED behavior When What you may consider
doing
Blinks Signal test in progress and during
start up
Do nothing
Not lit 4G is available while signal test in
progress
Do nothing
Lit 5G is available while signal test in
progress
Do nothing
Note: In 5G NSA (option 3x), the 5G LED will be off during the signal test if the FastMile 5G
Gateway 3.1 is in idle state, even if 5G service is available.