Warranty; Troubleshooting - YABER Pro U9 Manual Del Usuario

WARRANTY

Thank you so much for your purchase and support! We provide 3-year
warranty for Pro U9 projector. If you have any questions, please feel free to
contact us via aftersales@yabertech.com

TROUBLESHOOTING

Problems listed below might occur during the operation of your projector.
Please refer to the possible factors which might cause the issue to do
troubleshooting.
1. When turning on the power switch, the indicator light does not work.
1) The power might not be connected well.
2) Check the over-heat protection system.
2. The remote control does not communicate with the projector.
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 ?
4) Under PC mode, is the refresh rate > 75KHz ?
4. Blue screen,no picture,no sound.
Input cables connected right?
5. Picture right, no sound.
1)Input cables connected right?
2)Volume at min or on Mute.
6. Can't play the movies.
1)The format of the video is right?
2)Files are broken?
3)Device is broken?
7. There is picture, no sound?
The decode system doesn't match.
8. Can't find devices when connected with hard drive or flash drive.
Check if the device is broken.
9. Auto-off after working for a while.
1) The projector ventilation is blocked.
2) The voltage is not stable.
3) The over-heat protection system.
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