Eiki EK-501W Service Manual page 33

Troubleshooting
No image displays
Abnormal color
Some operations are
invisible
Auto PC Adjusting
function failure
Settings do not save after
power off
Power management
failure
Auto Setting does not
work
Image distorted or
disappeared
A password prompt
displays after power on
Remote controller does
not work
– 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 30 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
(41˚F–95˚F; 5˚C–35˚C).
– Image does not display in BLANK mode. The BLANK button or
other buttons on the remote controller.
– Check for mode of signal, color system, image system, or
computer system.
– Make sure Blackboard mode is not selected in Image Select.
– Check the display function.
– Check input signal. Auto PC Adjusting function in unavailable in
480p, 576p, 720p, 480i, 576i, 1080i or 1080p mode.
– Make sure you have selected Store after settings adjustment.
Certain settings do not keep without selecting Store.
– In case of Freeze or Blank operation, the power management
function does not work.
– Make sure it is not set to "Off" in each setup menu.
– Make sure "On" is not set in Ceiling function.
– Check and revise the PC Adj. menu or Screen menu.
– You have set up the Logo PIN Code lock function
– Check the battery.
– Make sure there is no obstacles stand in between your projector
and the remote controller.
– Make sure the remote controller is not too far away from your
projector. The maximum operation range is 5m.
– Make sure the remote controller and your projector are paired with
the same remote control codes.
– Release the key lock of the remote controller in the Setup menu.
33