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Appendix
Troubleshooting
Solution
Power on failure
– Plug the power cord of your projector in an AC socket.
– Make sure the POWER indicator turns red.
– Restart your projector until the POWER indicator turns red. It
indicates your projector is ready for power on again.
– Disable the Key Lock function of your projector.
Logo screen display
failure
– Make sure the Off and Countdown Off is selected in the Display
function.
The Logo screen differs
from the standard
settings.
– Make sure you did not select User or Off in the Logo Screen.
Input signal switch (or do
not switch) automatically.
– Make sure you have correctly set up the Input Search function.
Image looks fuzzy
– Adjust focus of your projector.
– Provide proper projection distance.
– The projection lens requires cleaning.
– Moving your projector from a colder environment to a hotter one
may result in condensing on the lens. If this is the case, wait
until the condensing water evaporated before powering on your
projector.
Image mirror reflected
Image turns upside down
– Check the Ceiling and Rear settings.
– Check the Ceiling settings.
Image looks dim
– Check for contrast and brightness settings.
– Check for correct image mode settings
No image displays
– Check for the connection between your projector and computer or
image equipment.
– Check for correct input signal from computer. Connection with
certain notebook computer may mandate changes to its display
output settings. See the user manual included with the computer
for details on settings.
– It takes about 10 seconds for your projector to show the first
image.
– Check for mode of signal, color system, image system, or
computer system.
– Make sure the ambient temperature is within given range
[0˚C–40˚C].
– Image does not display in BLANK mode. Check the BLANK button
or other buttons on the remote controller.
Abnormal color
– Check for mode of signal, color system, image system, or
computer system.
– Make sure Blackboard mode is not selected in Image Select.
Auto PC Adjusting
function failure
– Check input signal. Auto PC adjustment function does not work
when HDMI input. Auto PC Adjustment function may fail to work if
you select the following system signal format
:
720 x 480i, 720 x 576i, 720 x 480p,720 x 576p, 1280 x 720p,
1920 x 1080i, 1920 x 1080p
Troubleshooting
Check the following before calling your dealer or service center: