12
Troubleshooting
The following checklist will help you remedy
problems you may encounter with your unit.
Before going through the checklist below, check
the connection and operating procedures.
General
No power is being supplied to the unit.
• Check the connection. If everything is in order,
check the fuse.
• If the unit is turned off and the display
disappears, it cannot be operated with the
remote commander.
t Turn on the unit.
The power aerial does not extend.
The power aerial does not have a relay box.
No sound.
• The volume is too low.
• The ATT function is activated, or the Telephone
ATT function (when the interface cable of a car
telephone is connected to the ATT lead) is
activated.
• The position of the fader control (FAD) is not
set for a 2-speaker system.
No beep sound.
The beep sound is cancelled (page 8).
The contents of the memory have been
erased.
• The RESET button has been pressed.
t Store again into the memory.
• The power connecting lead or battery has been
disconnected.
• The power connecting lead is not connected
properly.
Stored stations and correct time are erased.
The fuse has blown.
Makes noise when the position of the
ignition key is switched.
The leads are not matched correctly with the
car’s accessory power connector.
• Lead-free solder is used for soldering certain parts.
(more than 80 %)
• Halogenated flame retardants are not used in the
certain printed wiring boards.
• Halogenated flame retardants are not used in
cabinets.
• Packaging cushions do not use polystyrene foam.
The display disappears from/does not
appear in the display window.
• The display disappears if you press and hold
(OFF).
t Press and hold (OFF) again until the
display appears.
• The connectors are dirty (page 10).
CD playback
The disc cannot be loaded.
• Another disc is already loaded.
• The disc has been forcibly inserted upside
down or in the wrong way.
The disc does not playback.
• Defective or dirty disc.
• The CD-Rs/CD-RWs are not for audio use
(page 10).
The display items do not scroll.
• For discs with very many characters, those may
not scroll.
• “A.SCRL” is set to off.
t Set “A.SCRL-ON” (page 8)
The sound skips.
• Installation is not correct.
t Install the unit at an angle of less than 45° in
a sturdy part of the car.
• Defective or dirty disc.
The operation buttons do not function.
The disc will not eject.
Press the RESET button (page 4).
Radio reception
The stations cannot be received.
The sound is hampered by noises.
• Connect a power aerial control lead (blue) or
accessory power supply lead (red) to the power
supply lead of a car’s aerial booster (only when
your car has built-in FM/MW/LW aerial in the
rear/side glass).
• Check the connection of the car aerial.
• The auto aerial will not go up.
t Check the connection of the power aerial
control lead.
• Check the frequency.
Preset tuning is not possible.
• Store the correct frequency in the memory.
• The broadcast signal is too weak.
Automatic tuning is not possible.
• Setting of the local seek mode is not correct.
t Tuning stops too frequently:
Press (SENS) until “LOCAL-ON” appears.
t Tuning does not stop at a station:
Press (SENS) repeatedly until “MONO-
ON” or “MONO-OFF” (FM), or “LOCAL-
OFF” (MW/LW) appears.
• The broadcast signal is too weak.
t Perform manual tuning.