Silvercrest SQWC A2 Operation And Safety Notes page 17

Protective covers that protect the mobile device
may interfere with the charging process. In this
case, the mobile device must be removed from
the protective cover.
NOTE:
The user may not see LED
charging process depending on the used
mobile device.
LED indicator
The product has an LED that indicates its
operational status:
LED indicator
Blue light for 1 second, then
Green light for 1 second, then
both Blue and Green light for
1 second, then LED off
LED off
Blue light
Blue and Green light flashing
alternatively
Blue light flashing
Green light
1
status
1
1
during the
Status
Starting process
(Boot phase)
Off / Standby
Charging
Input
overvoltage
Fault condition
Full charge
US-EN 17