Blaupunkt 900 Series - Troubleshooting Common Issues; General Troubleshooting; TFT Monitor Troubleshooting

20
Troubleshooting
Troubleshooting
What appears to be trouble is not always serious. Please check the following points before calling a service center.
Problem Cause Corrective action
General
Unit can not power on
Unit fuse blown. Install new fuse with correct rating.
Car battery fuse blown. Install new fuse with correct rating.
Illegal operation Reset the unit.
No/low audio output
Improper audio output connection. Check wiring and correct.
Volume set too low. Increase volume level.
Speakers damaged. Replace speakers.
Heavily biased volume balance. Adjust the channel balance to center position.
Speaker wiring is in contact
with metal part of car.
Insulate all speaker wiring connections.
Poor sound quality or distortion
Speaker power rating does not match unit. Replace speakers.
Wrong connections. Check wiring and correct.
Speaker is shorted. Check wiring and correct.
Unit resets itself when
engine is o
Incorrect connection between ACC and BATT. Check wiring and correct.
TFT monitor
Warning information is
shown at all times
Parking break wiring is not correct. Check wiring and correct.
Flashing image or interference appears on screen
Video cable damaged. Replace cables.
Improper video signal connections. Check wiring and correct.