Troubleshooting - BenQ MP776 User Manual

Troubleshooting

Troubleshooting
Troubleshooting Troubleshooting
The projector does not turn on. The projector does not turn on. The projector does not turn on. The projector does not turn on.
There is no power from the power
cord.
Attempting to turn the projector on
again during the cooling process.
No picture No picture No picture No picture
The video source is not turned on or
connected correctly.
The projector is not correctly
connected to the input signal device.
The input signal has not been
correctly selected.
The lens cover is still closed.
Blurred image Blurred image
Blurred image Blurred image
The projection lens is not correctly
focused.
The projector and the screen are not
aligned properly.
The lens cover is still closed.
Remote control does not work Remote control does not work Remote control does not work Remote control does not work
The batteries are 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 The password is incorrect The password is incorrect The password is incorrect
You do not remember the password.
Cause
Cause
Cause
Cause
Cause
Remedy
Plug the power cord into the AC power jack 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.
Open the lens cover.
Remedy
Adjust the focus of the lens using the focus
ring.
Adjust the projection angle and direction as
well as the height of the projector if necessary.
Open the lens cover.
Remedy
Replace the batteries with new ones.
Remove the obstacle.
Stand within 8 meters (26 feet) of the
projector.
Remedy
Please see "Entering the password recall
procedure" on page 27 for details.
Troubleshooting 59