BenQ MP612C User Manual - Page 58
Troubleshooting
UPC - 840046018771
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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. 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. No picture Cause Remedy 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 cover is still closed. 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. 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. 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. Open the lens cover. Remote control does not work Cause 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. Remedy Replace the batteries with new ones. Remove the obstacle. Stand within 8 meters (26 feet) of the projector. The password is incorrect Cause Remedy You do not remember the password. Please see "Entering the password recall procedure" on page 28 for details. 58 Troubleshooting