Benq CP120 Manuale Utente

Troubleshooting

51

Troubleshooting

The projector does not turn on.

No picture.

Image is unstable

.

Image is blurred.

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. See 

 for details.

Attempting to turn the projector on 
again during the cooling process.

Wait until the cooling down process has 
completed. See 

 for 

details.

The video source is not turned on or 
connected correctly.

Turn the video source on and check that the 
signal cable is connected correctly. See 

 for details.

The projector is not correctly 
connected to the input source device.

Check the connection. See 

 for details.

The input signal has not been 
correctly selected.

Select the correct input signal with the 
SOURCE button on the projector or remote 
control. See 

 for details.

The lens cover is not open.

Slide open the lens cover.

The connection cables are not 
securely connected to the projector or
the signal source.

Correctly connect the cables to the
appropriate terminals. See 

 for details.

The projection lens is not correctly 
focused.

Adjust the focus of the lens using the focus 
ring. See 

 for details.

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. See 

 for details.

The lens cover is not open.

Slide open the lens cover.