5.11. Status LEDs
The Micro Commander has 2 LEDs to show the current status of the Micro Commander. The red LED,
labelled “GSM”, shows the status of the internal GSM cellular engine, while the green LED, labelled
“STATUS”, shows the status of the Micro Commander as a whole.
The following table shows how one can determine the current status:
GREEN LED (STATUS)
➢
Solid On
: Busy Booting
➢
on for 500ms, off for 500ms (slow flash)
: All OK
➢
on for 200ms, off for 200ms (fast flash)
: Airtime running low
➢
on for 10ms, off for 500ms (2 short flashes per second)
: Signal is low
➢
on for 50ms, off for 50ms (very fast flash)
: Problem with GSM engine
➢
on for 100ms, off for 500ms, on for 100ms, off for 500ms,
on for 500ms, off for 500ms (2 short and 1 long flash)
: Setup is corrupt
➢
on for 50ms, off for 100ms, on for 50ms, off for 100ms,
on for 50ms, off for 1000ms (3 short flashes)
: Supply voltage below 9,5V
RED LED (GSM)
➢
OFF
: GSM engine OFF
➢
on for 600ms, off for 600ms (1 flash per second)
: GSM engine not finding network
➢
on for 75ms, off for 3000ms (1 flash every 3 seconds)
: GSM engine registered OK
➢
on for 600ms, off for 600ms (1 flash per second)
: GSM busy with a voice-call
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