71
Problems
– Solutions
No power
- Plug the power cord of the projector into the AC power outlet.
- Check whether the POWER indicator lights red.
- Only when the POWER indicator lights red you can power on the
projector again.
- Check the WARNING indicator. If it is blinking red, the projector can not be
powered on. (Page 66)
- Check the projection lamp. (Page 69)
- Unlock the “Key lock” function. (Page 41)
No initial displaying
- Make sure that Logo function is not set to "Off". (Page 47)
Initial displaying is inconsistent
with factory defaults
- Make sure that Logo function is not set to "Off" or "User". (Page 47)
Input signals are automatically
switched (can’t be switched)
- Properly adjust the Input search function.
Ambiguous images
- Adjust the focus.
- Set a more proper projection distance.
- Check whether the lens needs to be cleaned.
- When moved from a environment with low temperature to
the one with higher temperature, water will be condensed
on the lens. If so, you have to wait till the condensed water
disappears.
Image turns over leftward/
rightward
Image turns over upward/
downward
- Check the function of
“Ceiling/rear”. (Page 33)
- Check the function of “Ceiling”.(Page 33)
Image not bright enough
- Check whether the contrast or brightness is adjusted correctly.
(Page 37)
- Check whether the Image mode is properly selected. (Page 38)
- Check the function of lamp brightness adjusting. (Page 37)
No image
- Check the connection between Computer or video equipment and
the projector.
- Check whether the signal from Computer is correct. If connected to
certain laptops, the settings of their video adapters need to be
changed. You can refer to the operating instructions of the Computer
for such modification.
- Images can show up only about 20 seconds after the projector
is powered on.
- Check the input signal, color system, video system or Computer
system mode.
- Make sure that the temperature doesn’t exceed the permitted
operating temperature(41˚F-104˚F [5˚C - 40˚C] ).
- If BLANK function is enabled, no image will appear on the screen.
You can then press the BLANK button or other button on the
remote control.
Appendix
Troubleshooting
Before calling the dealer or service center for assistance, check the items below once again.
- Make sure you have properly connected the projector to peripheral equipment.
- Make sure all equipment is connected to the AC outlet and the power is turned on.
- If the projector does not project an image when it is connected to a PC, restart the PC.
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