43
Troubleshooting Guide
General
? The power does not turn ON.
01
✔
The fuse has blown.
☞
After checking for short circuits in the wires, replace the
fuse with one with the same rating.
✔
No ACC position on vehicle ignition.
02
☞
Connect the same wire to the ignition as the battery
wire.
?
Nothing happens when the buttons are pressed.
04
✔
The computer chip in the unit is not functioning normally.
☞
Press the reset button on the unit (page 4)..
?
The monitor does not open/close.
KVT
✔
The unit is not connected to the parking brake detection
switch.
☞
Make proper connections according to <Connection>
(See page 40).
✔
The parking brake is not engaged.
☞
For safety reasons, the monitor does not open while the
vehicle is moving. Engaging the parking brake.
?
The screen is dark.
KVT
✔
The unit is in a location where temperature is low.
☞
If the temperature of the monitor unit drops, the screen
may appear darker when power is first turned on due to
the characteristics of a liquid crystal panel. Wait a while
after turning power on for the temperature to rise.
Normal brightness will return.
?
Nothing happens when the buttons are pressed.
04
✔
The computer chip in the unit is not functioning normally.
☞
Press the reset button on the unit (page 4).
?
The memory is erased when the ignition is turned OFF.
10
✔
The battery wire has not been connected to the proper
terminal.
☞
Connect the wire correctly, referring to the section on
<Connection>.
✔
The ignition and battery wire are incorrectly connected.
11
☞
Connect the wire correctly, referring to the section on
<Connection>.
?
There’s no loudness effect.
12
✔
You’re using Non-fading preout.
☞
Loudness has no effect in Non-fading preout.
?
The TEL mute function does not work.
15
✔
The TEL mute wire is not connected properly.
☞
Connect the wire correctly, referring to the section on
<Connection>.
?
The TEL mute function turns ON even though the TEL mute
wire is not connected.
16
✔
The TEL mute wire is touching a metal part of the car.
☞
Pull the TEL mute wire away from the metal part of the
car.
?
Even if Loudness is turned ON, high-pitched tone isn't
compensated for.
17
✔
Tuner source is selected.
☞
High-pitched tone isn't compensated for when in Tuner
source.
?
No sound can be heard, or the volume is low.
✔
The fader or balance settings are set all the way to one
side.
21
☞
Center the fader and balance settings.
✔
The input/output wires or wiring harness are connected
incorrectly.
22
☞
Reconnect the input/output wires or the wiring harness
correctly. See the section on <Connection>.
✔
The values of Volume offset are low.
24
☞
Increase the values of Volume offset. (page 15)
?
The sound quality is poor or distorted.
25
✔
One of the speaker wires is being pinched by a screw in the
car.
☞
Check the speaker wiring.
6
✔
The speakers are not wired correctly.
27
☞
Reconnect the speaker wires so that each output
terminal is connected to a different speaker.
?
Non-fading output, Non-fading Low Pass Filter and Non-
fading setting can’t be done.
28
✔
The <Non-fading output> (page18) is OFF.
29
☞
Turn it ON.
The <Dual zone system> (page 15) is ON.
30
☞
Turn it OFF.
?
There’s no Front High Pass Filter and Rear High Pass Filter
effect.
31
✔
The Non-fading preout is being used.
☞
There’s no effect in Non-fading preout.
?
The Security Code item isn’t displayed in the Menu
System.
32
✔
The Security Code function is already activated.
☞
When the Security Code function is activated it isn’t
displayed in the menu items.
?
The Touch Sensor Tone doesn’t sound.
34
✔
The preout jack is being used.
☞
The Touch Sensor Tone can’t be output from the preout
jack.
?
Even though Synchronize Clock is ON, the clock can’t be
adjusted.
35
✔
The received RDS station isn’t sending time data.
☞
Receive another RDS station.
Tuner source
?
Radio reception is poor.
39
✔
The car antenna is not extended.
☞
Pull the antenna out all the way.
✔
The antenna control wire is not connected.
40
☞
Connect the wire correctly, referring to the section on
<Connection>.
?
The desired frequency can’t be entered with the Direct
Access Tuning.
41
✔
A station that can’t be received is being entered.
☞
Enter a station that can be received.
✔
You’re trying to enter a frequency with a 0.01 MHz unit.
42
☞
What can be designated in the FM band is to 0.1 MHz.
?
It isn't the set Traffic information sound volume.
43
✔
The set sound volume is less than the tuner sound volume.
☞
If the tuner sound volume is louder than the set sound
volume,the tuner sound volume is used.
What might appear to be a malfunction in your unit may just be the result of slight misoperation or
miswiring. Before calling service, first check the following table for possible problems.
KVT-M700(K)_Eng_ver01.1 01.12.20 7:20 PM Page 43
