LG Wine Smart LGS01 User Manual page 170

Expected
problems
The QR
code
cannot be
recognised.
Vibration
cannot be
turned off
Troubleshooting
Possible causes
The QR code is
too small.
The code is hard
to recognise due
to shadows
The camera is
soiled.
Possible corrective measures
Move the device up and down to focus
the QR code and adjust the distance.
Since they might not be recognised if
QR code reader apps were installed
from Google Play, use the QR code
reader app equipped with the device.
Try reading in a bright place where
shadows cannot form.
Clean the camera.
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