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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
warranty of the device.
Problems
Causes
Remedy
Starting process
The device cannot be
turned on.
The ignition is off, but the device
needs the so called inginition
impulse.
Switch on the ignition.
The fuse or a fuse in the vehicle
electronics 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 com-
pleted.
Screen is black.
The display is disabled.
Tap on the screen.
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 possibly damaged cable with a
new one.
One of the audio settings is
incorrect or there is an incom-
patibility 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 sound is distorted, overdriven
or with strong noises.
The equalizer settings or the vo-
lume settings of each application
are set unfavorable.
Check the audio settings under
Apps - Audio or Advanced. Cor-
rect the settings down and test if
the sound gets better.
