Operation Manual

49Troubleshooting
IREGB
Problem Causes and solutions
The
error code “E7” and
the Bluetooth® in-
dicator appear on
the display.
Your smartphone or tablet is not
working properly.
− Switch off your smartphone or
tablet off completely and then
back on.
The app was not successfully
installed on your smartphone or
tablet.
− Reinstall the app and log in
with your user data.
Your smartphone or tablet does
not support Bluetooth® Smart.
− Exchange your smartphone
or tablet with a model that
supports Bluetooth® Smart.