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16. Troubleshooting

Possible faults are described as follows:

Description of the fault

  • Possible cause.
  • Remedy for the fault.

➜ Reference to the corresponding chapter.

Device cannot be switched on

  • Toggle switch is set to OFF or no power supply.
  • Set the toggle switch on the underside to “ON”.
  • Connect the power cable correctly and check the power outlet.
  • Check the fuse in the electrical circuit.

Device does not start completely (status LED flashes white continuously)

  • Startup process is stuck or software issue.
  • Disconnect the device from the power supply briefly.
  • Press the standby button to switch the device off and on again to perform a restart.
  • Try a factory reset.

Device does not respond to button presses

  • Keypad lock is activated.
  • Press and hold the Play/Pause button for 5 seconds to unlock.

No playback despite device being switched on

  • No Bluetooth device connected or incorrect mode is active.
  • Press the Bluetooth button and pair the device again.

Bluetooth connection cannot be established

  • Device is not in pairing mode.
  • Press and hold the Bluetooth button for 2 seconds to activate pairing mode.
  • Perform a factory reset and start a new search.

Bluetooth connection drops

  • Range exceeded or interference from other devices.
  • Reduce the distance.
  • Disconnect and reconnect the device.

Battery does not charge

  • The power cable is not connected correctly or the battery is defective.
  • Check the power connection.
  • Use the original power cable.
  • Check whether the battery switch is set to the “On” position.
  • If the problem persists, replace the battery.
  • Check whether the red LED is permanently lit. If so, replace the battery.