3.5 LED Signals
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3.5 LED Signals
An LED indicates the device status.
Status Meaning
Off TraceCase is switched off.
Yellow flash Slow flash (1 s on, 1 s
off)
TraceCase is switched on, no tracing.
Short periodic pulse:
0.05 s on, 2 s off
Active trace (spy mode).
Error code (number of
quick flashes)
≥ 5 s on, 1 s off, followed by a number
of quick flashes. The number of flashes
indicates the error code.
Remember to communicate this
error code to
support@comprion.com in case
of problems!
Push the button long (more than 5 s)
and the LED starts to flash very quickly.
This means that the device is ready to
switch off. You can release the button.
If the LED lights constantly after more
than 30 s, this means that the Wi‐Fi set‐
tings are reset. You can release the but‐
ton. The device switches off.
During longer processes (for example,
firmware or FPGA upload), the LED
lights constantly so that you can see
when the process is finished.
Green Battery is being recharged.
This LED is directly connected to the charge controller. If the USB
port supplies more power than needed by the device and if the
USB voltage is stable, then the LED lights constantly until charging
is finished. However, in some cases, the following phenomena can
occur:
Green flash Regular flash, approx.
1Hz
This can occur when using lossy USB
cables.
Irregular flash (flicker),
more than 1 Hz
This can occur when the charging volt‐
age varies a lot, for example, during the
transition from charging with maximum
power to charging with minimum power
to charging end voltage. Consequently,
this often occurs when charging at the
PC, not when using dedicated chargers.
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