Operation Manual

English
42
Troubleshooting
Before going through the checklist please make all the con-
nections first. If you still have questions after going through
the checklist, please consult your local customer service
representative.
Fault Symptoms Cause Solution
Nofunction. The ignition is
switched off.
Turn the ignition
keyto“ON”or
“ACC”.
One or more fuses
have blown.
Replace the fuse
by another 5 A /1 A
fuse.
Device cannot be
switched on or off
via the ignition.
Incorrect con-
nection (each car
manufacturer wires
the ISO connection
in the vehicle differ-
ently).
Please contact your
car workshop or
a vehicle special-
ist for connection
adapters may
specifically for your
model.
The device does
not work correctly.
The microcom-
puter has been
interfered with by
electromagnetic
fields.
Switch the device
off and on again.
Noradiorecep-
tion.
The antenna cable
is not connected.
Insert the antenna
cable firmly into
the antenna socket
of the device.
Poor radio recep-
tion.
It is possible that
your vehicle has
a special antenna
(phantom-pow-
ered antenna.)
Please contact your
car workshop or a
vehicle specialist.
(For other manu-
facturers there are
specific phantom
power supply
adapters and
voltage adapters
available.)