Kenwood DDX3048 User Manual

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DDX418/DDX4048BT/DDX318/DDX3048  
What appears to be trouble is not always serious. Check the following points before calling a 
service center.
•  For operations with the external components, refer also to the instructions supplied with 
the adapters used for the connections (as well as the instructions supplied with the external 
components).
If the following messages appear
Message
Remedy/Cause
“No Signal”
•  Start the playback on the external component connected to AV-IN 
input terminal.
•  Check the cords and connections.
•  Signal input is too weak.
• “Miswiring DC 
Offset Error”
•  “Warning DC Offset 
Error”
A speaker cord has shorted or it has come in to contact with the car 
chassis. Wire or insulate the speaker cord as appropriate, then reset 
the unit (☞ page 3). See also the INSTALLATION MANUAL.
“Parking off”
No playback picture is shown when the parking brake is not 
engaged.
“Authorization Error”
Check whether the connected iPod/iPhone is compatible with this 
unit. (☞ page 20)
“USB Device Error”
•  The USB power voltage is abnormal.
•  Turn off and turn on the unit.
•  Connect another USB device.
“No BT Dongle”
Bluetooth adapter (KS-UBT1) is removed.
“Connection Error”
The device is registered but the connection has failed. Connect the 
registered device. ( ☞ page 41)
“Please Wait...”
The unit is preparing to use the Bluetooth function. If the message 
does not disappear, turn off and turn on the unit, then connect the 
device again (or reset the unit).
“NO Voice Device”
The connected mobile phone does not have the voice recognition 
system.
“NO Data”
No phone book data is contained in the connected Bluetooth phone.
“Initialize Error”
The unit has failed to initialize the Bluetooth module. Try the 
operation again.
“Dial Error”
Dialing has failed. Try the operation again.
“Hung Up Error”
The call has not ended yet. Park your car, and use the connected 
mobile phone to end the call.
“Pick Up Error”
The unit has failed to receive a call.
“Pairing Mode Error”
Pairing between the unit and Bluetooth device has failed. Register 
the device again. (☞ page 40)
Troubleshooting
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10/12/20   18:36
10/12/20   18:36