BenQ MS511H, User Manual

Page: 68 / 100

Troubleshooting
68
Troubleshooting
The projector does not turn on.
No picture
Blurred image
Remote control does not work
The password is incorrect
Cause Remedy
There is no power from the power cable.
Plug the power cord into the AC inlet on the
projector, and plug the power cord into 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.
Cause Remedy
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 signal device.
Check the connection.
The input signal has not been correctly
selected. Select the correct input signal with the SOURCE
key on the projector or remote control.
The lens cover is still closed. Open the lens cover.
Cause Remedy
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 the unit if necessary.
The lens cover is still closed. Open the lens cover.
Cause Remedy
The battery is out of power. Replace 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 feet) of the projector.
Cause Remedy
You do not remember the password.
Please see "Entering the password recall
procedure" on page 30 for details.