BenQ MS500 MS500 User Manual - Page 51

Troubleshooting The projector does not turn on. Cause There is no power from the power cord. 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 signal device. The input signal has not been correctly selected. The lens cover is still closed. Blurred image Cause 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 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 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 battery 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 22 for details. Troubleshooting 51