Abnormal Items

Failure Phenomenon

Cause Analysis

Solution

Not Energized

The cigarette lighter is not energized, Energized after intering the USB

Send back to repair

Not energized after intering the USB

Send back to repair

Not Play

Always Display  <loading>

Connect with the computer to see whether there is drive letters in the computer quick start bar

Have to upgrade ＜a program specified by manufacturer

Display format error

Inspect whether the song is in format supported by the machine

Have to be formatted, and re-download songs in the format supported by the machine

Display disk error

Connect with the computer to see whether the disk capacity is zero bytes

Have to be formatted and re-download songs

Sometimes don't play, and occur system halted

Connect with the computer to test whether there is a virus and the format is supported

Have to be formatted and re-download songs

Others

Send back to repair

Not transmit

Energized but not transmit, there is noise in the radio

Inspect whether the radio frequency is tuned to be consistent with the frequency of the machine

Retune the frequency to make it consistent with that of the machine

Inspect whether the green signal line is disconnected

Re-weld correctly

Others

Send back to repair

Transmit but without sound. The radio is mute

Inspect whether the volume is tuned to the minimum

Tune the volume to the appropriate

Transmit noise

Poor transmitting tone quality

Inspect whether the radio frequency is tuned to be consistent with the frequency of the machine

Retune the frequency to make it consistent with that of the machine

Inspect whether there is a radio in transmitting frequency

Please select frequency without radio

Confirm  whether there is a problem in the songs in the machine

Please download the songs with perfect tone quality

Others

Send back to repair

Poor Display

Energized but no character displayed

Send back to repair

Energized and black stripe displayed

Dark display

Connect with the computer U disk, the display screen is not bright

Keys Failure

Play normally, but the keys are out of functions

Disassemble the machine to inspect whether the keys are sealing off/falling out

Re-weld correctly

Remote Control Failure

Play normally, but the remote control is out of functions

Inspect whether the remote control is the original accessories of the machine

Replace with the remote control of the original factory

Whether the remote control is far away from the machine/or at an improper angle

Adjust the distance or angle

Inspect whether the remote control is power off

Replace the battery

Not Connect with computer

Connect with the computer, but no mobile disk shown

Inspect whether the USB cable is damaged

Replace USB cable

Inspect whether the computer operating system is Windows XP/Version 2000

Upgrade the operating system or try on another computer

Confirm whether the system file is saved

Download system files from the website