16
Troubleshooting
Symptom Remedy/Cause
Sound cannot be heard. Adjust the volume to the optimum level. / Check the cords and connections.
“PROTECT” appears and no operations
can be done.
Check to be sure the terminals of the speaker leads are covered with insulating
tape properly, then reset the unit. If “PROTECT” does not disappear, consult your
nearest service center.
Sound cannot be heard. / The unit does
not turn on. / Information shown on the
display is incorrect.
The connectors are dirty. Clean the connectors. (page 3)
The unit does not work at all. Reset the unit. (page 4)
Radio reception is poor. / Static noise
while listening to the radio.
Connect the antenna firmly. / Pull the antenna out all the way.
“IN” flashes. The CD player is not operating properly. Reinsert the disc properly. If the condition
did not improve, turn off the unit and consult your nearest service center.
CD-R/CD-RW cannot be played back and
tracks cannot be skipped.
Insert a finalized CD-R/CD-RW (finalize with the component which you used for
recording).
Disc sound is sometimes interrupted. Stop playback while driving on rough roads. / Change the disc. / Check the cords
and connections.
“NA FILE” appears. The unit is playing an unsupported audio file.
“NO DISC” appears. Insert a playable disc into the loading slot.
“TOC ERROR” appears. The CD is quite dirty. / The CD is upside-down. / The CD is scratched a lot. Try
another disc instead.
“ERROR 99” appears. The unit is malfunctioning for some reason. Press the reset button on the unit. If
the “ERROR 99” code does not disappear, consult your nearest service center.
“READ ERROR” appears. Copy the files and folders for the USB device again. If the error message is still
displayed, initialize the USB device or use other USB devices.
“NO DEVICE” appears. No USB device is connected. Connect an USB device, and change the source to
USB again.
“COPY PRO” appears. A copy-protected file is played.
“NO MUSIC” appears. The connected USB device contains no playable audio file.
“NA DEVICE” appears. Connect a supported USB device, and check the connections.
“USB ERROR” appears. Remove the USB device, turn the unit off, then turn it on again. If the unit still
showing the same display, try to connect another USB device.
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