Problem
Possible Cause
Remedy
Fuse blowing.
Replace with a new fuse.
Loose wire.
Reconnect properly.
Communication between main machine
Press Reset button in the unit and
No display
and vehicle control system failed.
unit will restart.
of LCD
Main machine control system
Press Reset button in the unit and
communication failed.
unit will restart.
Low battery voltage on start of system
Charge the car battery to 12V.
- protection is activated.
Mis-set as black screen state.
Touch the screen to restore the display.
No sound played
System in mute state.
Press Mute button to exit from mute state.
Loose speaker wire.
Reconnect properly.
Damaged speaker.
Replace with new speaker.
Wrong disk position.
Surface with label upwards on the disc
No image played
tray. Insert disc with label facing up.
Dirty or damaged disk.
Try another disk.
Loose/bad wire connection.
Reconnect properly.
Occasional sound
Wrong use of AV input port.
Please refer to AV function operation
skipping
for selecting ports.
Sound skipping
Dirty or damaged disk.
Try another disk.
during vibration
Wrong installation of the main unit.
Ensure fixing the main unit securely.
Disabled Bluetooth Unable to pair with the main unit.
Re-pair phone.
handsfree function
Bluetooth matching Compatibility problem exists between some
failed or unable
models of mobile phone, Bluetooth and the
Re-insert the car key to start up and pair.
to match
product.
Touch failed/too
Touch calibration is offset.
Recalibrate the touch screen.
slow action
Main unit control system communication
Press the Reset button to restart
error.
the unit.
Keys no tone
The “Key tone” is set as “On”.
Access system settings and set “Beep”
as “On”.
There is music but Wrong language setting.
Reset the language key.
no accompanying
The speakers set as 5.1CH state and vehicle Set the speaker as stereo, and set the audio
sound during DVD speaker as 2CH/4CH, The setting doesn’t
setting “5.1” as “off”.
playing
match the disc.
The Illum setting in factory mode is not
Button backlight
corresponding with the Illum control wire
Reset the illumination control setting.
can’t be illuminated connection state or illumination power
supply.
Disabled
Wrong or bad handbrake wire connection.
Reconnect wire.
handbrake
Under factory mode, brake control is set up
Renew set up brake control to turn-on
to turn-off mode.
mode.
Disabled steering
Failed connection between steering wheel
Redo steering wheel training if available
wheel control
and main unit.
in settings.
Before sending this player for service as required, please carry out inspection or small adjustment according to
possible causes of occurred problems stated on the list below. It is possible that the problems will be solved and
this player will go back to normal operation. If you have any doubt about the problems on the list or the problem
can’t be solved effectively by following the remedy as instructed, please contact our company or professional
service centre.
BT50 User Manual 2015_BT50 Manual 40pp Polaris 24/06/15 2:49 PM Page 38
