BenQ PB8240 Troubleshooting, Common Problems & Solutions, Make sure that it is switched on

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Troubleshooting

Common Problems & Solutions

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.	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.	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	Remove the lens cap.
	lens

REMOTE CONTROL DOES NOT WORK

	Cause	Remedy

	The batteries are out of power.	Replace both of the batteries with new ones.
	There is an obstacle between the	Remove the obstacle.
	remote control and the projector.	Remove the obstacle.
	remote control and the projector.

	You are too far away from the	Stand within 6 meters (19.5 feet) of the
	projector.	projector.

44 Troubleshooting

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Contents Welcome Copyright DisclaimerTable of Contents Ordering Parts or Getting Information Iv Table of ContentsPIP Picture In Picture Menu Table of Contents Supported timing for PC including DVI-I inputVi Table of Contents Important Safety Instructions Important Safety InstructionsSafety Instructions 10000 Safety Instructions Introduction Projector FeaturesIntroduction Shipping Contents Front / Upper View Optional AccessoriesProjector Exterior View Back ViewConnector Panel PC/ YPbPr/ YCbCrControls and Functions External Control PanelRemote Control Description Front ViewRemote Control Effective Range Installing or Replacing the Batteries Push and open Install batteries asMaking Connections Setting Up Your ProjectorChoosing a Location IV. Ceiling rearAudio cable Connecting to a Laptop or Desktop ComputerConnecting Equipment to the Component Video Input Component Video cableVideo devices Video cable Connecting to Video or S-Video DevicesConnecting to Display Devices Video devices or VCRScreen Size Adjusting the HeightFocus ring Zoom ring Setting Up Your Projector Screen size chart 43 aspect ratio Screen size chart 169 aspect ratioOperation OperationStart Up Shutdown Digital Keystone Correction For exampleAuto Adjustment Source SelectionLaser Pointer Operation Zoom / FocusingBlank Zoom In + / Zoom Out Volume AdjustmentMouse Function Operation PIP Picture In Picture OperationPreset Mode Selection FreezeMenu Operation Menu SystemUsing the menus Display Menu As above ColorTint Increases or decreases the color intensity of the imagePosition Image MenuAuto Resize Color TempSharpness RatioSystem Mirror VolumeSource Menu TrebleMute Adjusts the bass level. -5 ~Bass Language SetupControl Menu Preset Mode ResetPIP Size PIP Picture In Picture MenuPIP Source PIP PositionCleaning the projector case MaintenanceCleaning the lens Cleaning and replacing the air filtersStoring the projector Transporting the projectorLamp Information Use and Replacement of the LampLamp Replacement Maintenance Indicators Temp Warning LightLED Please contact your dealer for assistanceDealer for assistance Optional Accessories not included in the standard package Service InformationAccessories included in the standard package Ordering Parts or Getting InformationPlug the power cord into the AC inlet on TroubleshootingCommon Problems & Solutions Make sure that it is switched onTechnical Specifications SpecificationsProjector Specifications Environmental Requirements RS-232C PinSupported timing for YPbPr input Timing ChartSupported timing for PC including DVI-I input Supported timing for Video and S-Video inputsDimensions Unit mm DimensionsWarranty WarrantyLimited Warranty EEC Statement Regulation StatementsFCC Statement MIC Statement