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TROUBLESHOOTING
If the following troubleshooting tips do not solve the problem and the malfunction persists, please contact an
authorized repair or installation service. Do not open the device or attempt to repair it by yourself. This may
cause serious damages to the electronic components of the device and in your vehicle or may void the war-
ranty of the device.
Problems
Causes
Remedy
Starting process
The device cannot be
turned on.
Operator error with the ignition off.
To turn on the device with the ignition off,
press and hold the power button of the unit
for about 2 seconds. The device automati-
cally switches off after 30 minutes.
The fuse or a fuse in the vehicle electron-
ics is defective.
Replace the blown fuse with a new fuse of
the same type with the same value.
Display
Inaccurate or delayed input of touchscreen
function.
The touch-screen is not properly
calibrated.
Calibrate the touch screen
under Apps - Options - System.
The device opens an application or is
currently processing.
Wait until the process is completed.
Screen is black.
The display is disabled.
Tap on the screen.
The device is in standby mode
Press the left knob on the device.
Sound
There is no sound via the sound system of
the vehicle hearable.
The connection or installation was not
done correctly or one of the cables is
defective.
Check all connections and replace a pos-
sibly damaged cable with a new one.
One of the audio settings is incorrect or
there is an incompatibility with the vehicle
sound system.
Check the audio settings under Apps -
Audio - Advanced.
Go through all settings step by step and test
the functions.
The audio system is not activated properly.
Disconnect the vehicle‘s battery for at least
30 minutes.
The sound is distorted, overdriven or with
strong noises.
The equalizer settings or the volume
settings of each application are set
unfavorable.
Check the audio settings under Apps - Au-
dio or Advanced. Correct the settings down
and test if the sound gets better.
