Troubleshooting

The projector does not turn on.

Cause

Remedy

 

 

 

Plug the power cord into the AC inlet on the

There is no power from the power

projector, and plug the power cord into the

power outlet. If the power outlet has a switch,

cable.

make sure that it is switched on. See "Start

 

 

up" on page 21 for details.

 

 

Attempting to turn the projector on

Wait until the cooling down process has

completed. See "Shutdown" on page 27 for

again during the cooling process.

details.

 

 

 

No picture.

Cause

Remedy

 

 

The video source is not turned on or

Turn the video source on and check that the

signal cable is connected correctly. See

connected correctly.

"Connection" on page 16 for details.

 

 

 

The projector is not correctly

Check the connection. See "Connection" on

connected to the input source device.

page 16 for details.

 

 

 

Select the correct input signal with the

The input signal has not been

SOURCE button on the projector or remote

correctly selected.

control. See "Switching input signal" on page

 

26 for details.

 

 

The lens cover is not open.

Slide open the lens cover.

 

 

Image is unstable.

Cause

Remedy

 

 

The connection cables are not

Correctly connect the cables to the

securely connected to the projector or

appropriate terminals. See "Connection" on

the signal source.

page 16 for details.

 

 

Image is blurred.

Cause

Remedy

 

 

The projection lens is not correctly

Adjust the focus of the lens using the focus

ring. See "Fine-tuning the image size and

focused.

clarity" on page 24 for details.

 

 

 

 

Adjust the projection angle and direction as

The projector and the screen are not

well as the height of the unit if necessary. See

aligned properly.

"Obtaining a preferred projected image size"

 

on page 12 for details.

 

 

The lens cover is not open.

Slide open the lens cover.

Troubleshooting 43

Page 49
Image 49
BenQ CP120C user manual Troubleshooting, Projector does not turn on, No picture, Image is unstable, Image is blurred