Trouble Shooting
Please try to eliminate some possible causes before referring it to the
technicians.
Trouble Shooting
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1. When turning on the power switch, the indicator light does not work.
1) The power might not be connected well.
2) Does the fuse on the power outlet burn?
3) Does the protective tube on the back of the projector burn?
4) Check the over-heat protection system.
2. Press the power button on the remote control and the projector does not turn on.
1) The power switch at the back of the projector is turned on or off.
2) The remote control's batteries are depleted
3) Something obstructing the signal between the remote and IR
4) Strong light on IR directly?
3. No image on the screen.
1) Is the channel set-up correct?
2) Is there an input signal?
3) Is the input cable plugged well or in the wrong position?
4) Under PC mode, is the refresh rate > 75 KHz?
5) When the projector connect with the notebook, set the screen as VGA mode.
4. Blue screen, no picture, no sound.
Input cables connected right?
5. Picture right, no sound.
1) Input cables connected right?
2) Volume at minimum or on Mute.
6. No image but with voice after turn on the projector.
1) Input cables connected right?
2) Under the mode of VGA, the refresh rate > 75 KHz?
3) Under the VGA mode, the resolution setting shown on the computer > 1024*768?
7. It will shutoff automatically after turn on for a while.
1) Is there a barrier around the ventilation?
2) Low voltage or big voltage fluctuations.
3) Check the over-heat protection system.
8. Can't find devices when connected with hard drive or flash drive?
1) Re-plug the device
2) Check if the device is broken.
