14
Troubleshooting
Before requesting service, make the following checks. If
you are in doubt about some of the check points, or if the
solutions indicated do not solve the problem, consult your
dealer for instructions.
Common problems
The display panel lights up and changes continuously
in standby mode.
• Press and hold [
8
] on the main unit to select “DEMO
OFF”.
No operations can be done with the remote control.
• Examine that the battery is installed correctly.
Sound is distorted or no sound.
• Adjust the volume of the system.
• Switch off the system, determine and correct the cause,
then switch the system on again. It can be caused by
straining of the speakers through excessive volume or
power, and when using the system in a hot environment.
A “humming” sound can be heard during playback.
• An AC mains lead or fluorescent light is near the cables.
Keep other appliances and cords away from the cables of
this system.
The sound level reduces.
• The protection circuit has been activated due to the
continuous use at high volume output. This is to protect the
system and maintain the sound quality.
Disc
Display not shown correctly.
Playback does not start.
• You have not put in the disc correctly. Put it in correctly.
• Disc is dirty. Clean the disc.
• Replace the disc if it is scratched, warped, or non-
standard.
• There is condensation. Let the system dry for 1 to 2 hours.
The total number of tracks displayed is incorrect.
The disc cannot be read.
Distorted sound is heard.
• You put in a disc that the system cannot play. Change to
a playable disc.
• You put in a disc that has not been finalised.
Radio
Sound is distorted.
• Use an optional FM outdoor antenna. The antenna should
be installed by a competent technician.
A beat sound is heard.
• Switch off the TV or move it away from the system.
• Set to “BP 1” or “BP 2” when in AM tuner mode.
A low hum is heard during AM broadcasts.
• Move the antenna away from other cables and cords.
USB
The USB device or the contents in it cannot be read.
• The format of the USB device or the contents in it is/are
not compatible with the system.
• USB devices with storage capacity of more than 32 GB
cannot work in some conditions.
Slow operation of the USB device.
• Large content size or large memory USB device takes
longer time to read.
Main unit displays
“NO PLAY”
“UNSUPPORT”
• Examine the content. You can only play supported
format.
• The files in the USB device can be corrupted. Format the
USB device and try again.
“F61”
• Examine and correct the speaker cords connection.
• Disconnect the USB device. Switch off the system and
then switch it on again.
“ERROR”
• An incorrect operation was done. Read the instructions
and try again.
“ERROR” (during recording)
• You cannot select other playback source (example: radio,
USB etc.) or press
[
2
]
or
[
6
] during recording. Stop
the recording function
.
• You cannot open disc tray when recording from AM
source.
“PLAYERROR”
• You played an unsupported MP3 files. The system will
skip that track and play the next one.
“VBR–”
• The system cannot show the remaining play time for
variable bit rate (VBR) tracks.
“NORMAL”
• The “INPUT LEVEL” of music port source automatically
changes from “HIGH” to “NORMAL” when the system
detects distorted music sounds.
“DEVICE FULL”
• You cannot do recording because the remaining
recording time of the USB device is less than the total
time of the music source.
Change to a USB device which has enough recording
time and do the recording again.
AKX54GN_en.fm Page 14 Wednesday, March 7, 2012 5:38 PM
