BenQ PB2250 user manual Troubleshooting, Cause Remedy, Plug the power cord into the AC inlet on

Page 39

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

cable.

power outlet. If the power outlet has a switch,

 

make sure that it is switched on.

 

 

Attempting to turn the projector on

Wait until the cooling down process has

again during the cooling process.

completed.

 

 

NO PICTURE

Cause

Remedy

 

 

The video source is not turned on or

Turn the video source on and check that the

connected correctly.

signal cable is connected correctly.

 

 

The projector is not correctly

Check the connection.

connected to the input source device.

 

 

 

The input signal has not been

Select the correct input signal with the Source

correctly selected.

key on the projector or remote control.

The lens cap is still attached to the

Remove the lens cap.

lens.

 

 

 

BLURRED IMAGE

Cause

Remedy

 

 

The projection lens is not correctly

Adjust the focus of the lens using the focus

focused.

ring.

 

 

The projector and the screen are not

Adjust the projection angle and direction as

aligned properly.

well as the height of the unit if necessary.

 

 

The lens cap is still attached to the

Remove the lens cap.

lens

 

 

 

REMOTE CONTROL DOES NOT WORK

Cause

Remedy

 

 

The battery is out of power.

Replace the battery with new ones.

There is an obstacle between the

Remove the obstacle.

remote control and the projector.

 

 

 

You are too far away from the

Stand within 6 meters (~ 20 feet) of the

projector.

projector.

 

 

Troubleshooting 35

Image 39
Contents Welcome Disclaimer CopyrightTable of Contents Temperature information Iv Table of ContentsSupported timing for Component-YPbPr Input Important safety instructions But could fail if power cuts or surgesImportant safety instructions Safety instructions Bedding or any other soft surface Locations near fire alarmsLocations with an ambient temperature Using the unit when it is not fullySafety instructions Projector features IntroductionIntroduction Shipping contents Bottom side Projector exterior viewFront / Upper side Rear sideExternal control panel Controls and functionsFunctions Descriptions Remote control descriptionInstalling or replacing the remote control battery Remote control effective rangeChoosing a location Positioning your projectorFocus ring Zoom ring Obtaining a preferred projected image sizeScreen size chart 169 aspect ratio Screen size chart 43 aspect ratioConnecting to a laptop or desktop computer ConnectionConnection Video cable Audio cable Connection Connecting equipment to the Component Video inputConnecting Video and S-Video devices Video devicesVideo devices Video cable Start up Utilizing the password functionSwitch all of the connected equipment on OperationIf you forget the password Fine-tuning the image size and clarity Adjusting the imageAdjusting the height Auto-adjusting the imageCorrecting keystone On the remote controlSwitching input signals Hiding the imageShutdown Menu system Menu operationUsing the menus Picture menu Pro-Picture menu Setting menu Advance menu Lamp Hour ResolutionInformation Menu SourceCare of the projector MaintenanceLamp information Replacing the lampMessage Status Do not turn the power on with the lamp cover removed Stand-by mode Temperature informationIndicators Light Status & Description Power Temp Lamp Power eventsThermal events Lamp eventsOptional accessories not included in the standard package Service informationAccessories included in the standard package Alternative accessories vary by regionsCause Remedy TroubleshootingPlug the power cord into the AC inlet on Make sure that it is switched onProjector specifications SpecificationsDimensions Supported timing for Video and S-Video inputs Timing chartSupported timing for PC input Supported timing for Component-YPbPrInputWarranty Limited warrantyWarranty MIC statement Regulation statementsFCC statement EEC statement