LED
INDICATOR
To reduce consumption during normal operation, the LEDs are off. In case of anomalies or pressing the PI,
the indicators are activated for 5 minutes. In the front part a multicolour LED (SL) is installed to indicate the
various status listed below.
NORMAL OPERATION
During normal operation the device
flashes GREEN for 1/4s every 10s.
BOOT PHASE START UP
A single 1/2s flash indicates the presence of
correct firmware.
BOOT PHASE START UP
A fast 1/4s red flash indicates the presence of
incorrect firmware.
BOOT PHASE START UP
Red and blue alternating flashing for 2s
indicates no firmware present.
INTERNAL MEMORY ERROR
A blue/red flash of 1/2s indicates an error in
the internal memory of the device.
