35
Maintenance
Troubleshooting
Problem Cause Remedy
The projector does
not turn on.
There is no power from the power
cable.
Plug the power cable into the AC inlet on
the rear of the projector, and plug the
power cable into to the power outlet. If the
power outlet has a switch, make sure that
it is switched on.
Attempting to turn the projector on
again during the cooling process.
Wait until the cooling down process has
completed.
No picture.
The video source is not turned on
or connected correctly.
Turn the video source on and check that
the signal cable is connected correctly.
The projector is not correctly
connected to the input source
device.
Check the connection.
The input source has not been
correctly selected.
Select the correct source with the INPUT
key on the projector or remote control.
The HDMI cable does not support
4K signal.
Use a certified Premium High Speed
HDMI Cable (18 Gbps compatible).
Image is unstable.
The connection cables are not
securely connected to the
projector or the signal source.
Correctly connect the cables to the
appropriate terminals.
Picture is blurred.
The projection lens is not correctly
focused.
Adjust the focus of the lens using the
focus ring.
The projector and the screen are
not aligned properly.
Adjust the projection angle and direction
as well as the height of this projector if
necessary.
The lens cover is still closed. (If
available)
Remove the lens cover. (If available)
Remote control
does not work
correctly.
The battery is out of power. Replace both of the battery with new one.
There is an obstacle between the
remote control and the projector.
Remove the obstacle.
You are too far away from the
projector.
Stand within 8 meters (26.2 feet) of the
projector.
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Weight and Dimensions
