Error Messages

When you fail to operate the unit correctly, the cause of the failure appears as the message on the screen.

There is an error in the speaker wiring. Please check the connections.

  1. Protective circuit has been activated because a speaker cord has shorted or it has come in contact with the car chassis.
  2. Wire or insulate the speaker cord as appropriate and turn the power off and on again.

No Device (USB device)

  1. The USB device is selected as a source although no USB device is connected.
  2. Change the source to any source other than USB/iPhone. Connect a USB device, and change the source to USB again.

Disconnected (iPhone, Bluetooth audio player)

  1. The iPhone/Bluetooth audio player is selected as a source although no iPhone/Bluetooth audio player is connected.
  2. Change the source to any source other than iPhone/Bluetooth. Connect an iPhone/Bluetooth audio player, and change the source to iPhone/Bluetooth again.

No Media file

  1. The connected USB device contains no playable audio file. Media was played that does not have data recorded that the unit can play.
  2. See Playable Media and Files and try another USB device.

USB device over current status detected.

  1. The connected USB device is rated a current capacity higher than the allowable limit.
  2. Check the USB device. Some trouble may have occurred to the connected USB device.
  3. Change the source to any source other than USB. Remove the USB device.

The speed sense wire is not connected. Please check the connection.

  1. The speed pulse disconnection is detected. By default, it is treated as connected.
  2. To improve precision of a vehicle position recognition, check the connection of the speed pulse.

Starting tuner failed.

  1. The tuner unit is not operating correctly due to some reason or other.
  2. Turn the power off and on again. If the “Starting tuner failed.” message does not disappear, contact your nearest JVC dealer.

Audio output has stopped due to an error. Please restart the system.
If the issue persists, contact customer support.

  1. An error causes audio output to stop.
  2. Reset the system. If resetting the system does not resolve the issue, please contact the customer support center.