Troubleshooting - BenQ Home Entertainment Series User Manual

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Troubleshooting

THE PROJECTOR DOES NOT TURN ON.
Cause
There is no power from the power cable.
Attempting to turn the projector on again during
the cooling process.
NO PICTURE
Cause
The video source is not turned on or connected
correctly.
The projector is not correctly connected to the
input source device.
The input signal has not been correctly
selected.
The lens cap is still attached to the lens.
BLURRED IMAGE
Cause
The projection lens is not correctly focused.
The projector and the screen are not aligned
properly.
The lens cap is still attached to the lens.
REMOTE CONTROL DOES NOT WORK
Cause
The battery is out of power.
There is an obstacle between the remote
control and the projector.
You are too far away from the projector.
THE PASSWORD IS INCORRECT
Cause
You do not remember the password.
Remedy
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.
Wait until the cooling down process has completed.
Remedy
Turn the video source on and check that the signal
cable is connected correctly.
Check the connection.
Select the correct input signal with the Source key on
the projector or remote control.
Remove the lens cap.
Remedy
Adjust the focus of the lens using the focus ring.
Adjust the projection angle and direction as well as the
height of the unit if necessary.
Remove the lens cap.
Remedy
Replace the battery with a new one.
Remove the obstacle.
Stand within 6 meters (19.5 feet) of the projector.
Remedy
Please see "Entering the password recall procedure"
on page 24 for details.
Troubleshooting 49