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ENGLISH
What appears to be trouble is not always serious. Check the following points before calling a service
center.
Navigation troubles
Troubleshooting
Symptoms Causes Remedies
General
• Navigation voice cannot
be heard from the
speakers.
Guidance voice level is set
to the minimum level.
Adjust it to the optimum
level.
• Navigation System does
not work at all.
The built-in microcomputer
may have functioned
incorrectly, etc
.
Reset the unit (see page 2).
• “Low Temperature”
appears and Navigation/
Disc/HDD/SD do not
work.
The internal temperature
is too low
.
This is normal.
Internal protective circuitry
is working.
Leave the power on, and
wait until the internal
temperature rises and the
indication goes off.
• Navigation information is
not precise.
GPS antenna is affected by
the windshield if installed in
the car compartment.
Install the GPS antenna
outside to avoid interference.
• Mechanical noises are
heard.
The HDD is constantly
rotating at a high speed
when the car ignition switch
is on, causing imperceptible
mechanical noise (especially
when the temperature is
low).
This is normal.
Destination setting
• “NO P.O.I. FOUND”
appears on the display.
There are no matching
points in your selected city
or area.
Find the location using
another method.
• “NO NAVIGABLE
AREA” appears on the
display.
The entered point is out of
the navigable area.
Enter a point within the
navigable area.
You have tried to save the
current address into the
STORED ADDRESS (see
page 32) while you are out
of the navigable area.
This is normal. You cannot
save the current address
if it is located out of the
navigable area.
EN103_122_KD-NX901[E]fb.indd 112EN103_122_KD-NX901[E]fb.indd 112 05.3.17 2:11:39 PM05.3.17 2:11:39 PM