FMB920 LED status

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This section is an explanation of LED indications on an FMB920 device.

Navigation LED Indications[edit | edit source]

Behaviour Meaning
Permanently switched on GNSS signal is not received
Blinking every second Normal mode, GNSS is working
Off GNSS is turned off because:
Device is not working
or
Device is in sleep mode
Blinking fast constantly Device firmware is being flashed

Status LED Indications[edit | edit source]

Behaviour Meaning
Blinking every second Normal mode
Blinking every two seconds Sleep mode
Blinking fast for a short time Modem activity
Off Device is not working
or
Device is in boot mode