FMM001 LED status

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This section is an explanation of LED indications on an FMM001 device.

Navigation LED Indications

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 in deep sleep mode
GNSS antenna short circuited

Status LED Indications

Behaviour Meaning
Blinking every second Normal mode
Blinking every two seconds Deep sleep mode
Blinking fast for a short time Modem activity
Off Device is not working
Device firmware is flashed