59
Troubleshooting
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.(Page 20)
- Check the WARNING indicator. If it lights red, the projector can not be
powered on.(Page 54)
- Check the projection lamp.(Page 57)
- Unlock the “Key lock” function.(Page 41)
No initial displaying
- Make sure that Logo function is not set to "Off".(Page 44)
Initial displaying is inconsistent
with factory defaults
- Make sure that Logo function is not set to "User" or "Off".(Page 44)
Input signals are automatically
switched (can’t be switched)
- Properly adjust the Input search function.(Page 43)
Ambiguous images
- Adjust the focus.(Page 24)
- Set a more proper projection distance.(Page 15)
- Check whether the lens needs to be cleaned.(Page 56)
- 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 32)
- Check the function of “Ceiling”.(Page 32)
Image not bright enough
-
Check whether the contrast or brightness is adjusted correctly.
(Pages 37 - 38)
- Check whether the Image mode is properly selected.(Page 36)
- Check the lamp control function.(Page 40)
- Check the WARNING indicator. If the indicator lights red, it means the
service life of the lamp is over. You should replace the lamp with a new
one of the same model immediately.(Page 54)
No image
- Check the connection between computer or video equipment.
(Pages 16 - 18)
- Check with 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.
- It takes 20 senconds to display an image after turning on the projector.
(Page 20)
- 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
–
95˚F
[
5˚C
–
35˚C
])
- If BLANK function is enabled, no image will appear on the screen. You
can press the BLANK button or other button on the remote control.
Appendix
Before calling your 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.
