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GTroubleshootingG
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HPreliminary StepsCaution:ProblemPossible causePossible solutionH
e Do not use the unit if it malfunctions or if
19Check and take steps as described in the tables below.20NoiseThere is an electromagnetic-wave Keep an electromagnetic-wave
there is something wrong.
generator such as a cellular phone generator such as a cellular phone
e Do not use the unit in abnormal condition,
near the unit or its electrical lines.away from the unit and the wiring of
If You Suspect Something Wrongfor example, without sound, or with smoke
the unit. In case the noise cannot be
Immediately switch the power off.or foul smell, which can cause ignition or
eliminated due to the wiring harness
electric shock. Immediately stop using it and
Disconnect the power connector and check that there is
of the car, consult your dealer.
neither smoke nor heat from the unit before asking for call the store where you purchased it.
repairs. Never try to repair the unit by yourself because it The contact of the ground lead is Make sure that the ground lead is
is dangerous to do so.poor.connected to an unpainted part of the
chassis securely.
Troubleshooting Tips
Noise is made in Alternator noise comes from the Change the wiring position of the
q Common
step with engine car.ground lead.
ProblemPossible causePossible solution
revolutions.
Mount a noise Ţ lter on the power
supply.
No power to the unit The power cord (battery, ACC and Check the wiring.
ground) is connected in the wrong
No sound from Balance/fader setting is not Readjust balance/fader.
way.
speaker(s)appropriate.
Fuse blow outEliminate the cause of fuse blow out There is a break, a short circuit, Check the speaker wiring.
and replace the fuse with new one. poor contact or wrong wiring
Consult your dealer.regarding the speaker wiring.
Sound is not MUTE is set to ON.Set MUTE to OFF.Some speakers are out of order.Replace the speaker with new one.
generated.
The wiring of the speaker lines Check the wiring in accordance with
The speaker channels The speaker wiring is confused Perform the speaker wiring in
are not correct, or a break or poor the wiring diagram.
are reversed between between right and left.accordance with the wiring diagram.
contact arises.
right and left.
The demonstration You cannot operate the unit while Press [DISP] (display) to end the
screen displayed and the demonstration screen appears.demonstration screen.q Radio
no operable.
If the demonstration screen appears Check the battery wiring in accordance
Poor reception or Antenna installation or wiring of Check whether the antenna mounting
frequently, there is a possibility that with the wiring diagram.
noiseantenna cable is faulty.position and its wiring are correct.
poor contact or wrong wiring arises
In addition, check to see whether the
between the battery lead of the unit
antenna ground is securely connected
and the battery cable of the car.
to the chassis.
(The battery lead should be always
No power is supplied to the antenna Check the wiring of the antenna battery
powered.)
ampliŢ er (when using a Ţ lm lead.
antenna, etc.).
Some operations are Some operations are not executable Read the operating instructions
not executable.in particular modes such as menu carefully and cancel the mode. In case
The number of auto The number of receivable stations Move to an area where receivable
mode.the unit is still out of order, consult the
preset stations are are less than 6.stations number is maximum, and try
dealer.
less than 6.presetting.
Preset stations cannot The contact of the battery lead is Make sure that the battery lead is
be stored.poor, or the battery lead is not connected securely, and preset
always powered.stations again.
3839
CQ-C3400/3300/3200/3100UCQ-C3400/3300/3200/3100U |