Troubleshooting | Epson 821 guide

Troubleshooting

This chapter describes how to identify problems and what to do if a problem is found.

Using the Help	69
Problems Solving	71
•Abnormal	71
• Reading the Indicators	71
•Power indicator lights red	71
•Warning	72
•Lamp or Temp indicator flashes orange	72
•Normal	73
•Power indicator lights green or orange/
flashes green or orange	73
• When the Indicators Provide No Help	74

•Problems relating to images	75
•Problems when projection starts	81
•Other problems	82

Image 69

Epson 821 manual Troubleshooting

Contents

User’s Guide Notations Used in This User’s Guide Colour mode function Features of the Projector Features of the Projector Easy to Operate Contents Specifications Using the Help Problems SolvingAppearance Index Connecting to a Video Source Preventing theft Password ProtectPart Names and Functions Front/Top Part Names and Functions Control Panel Rear Air filter air intake vent sp.84, p.89 Base Remote Control Replace the battery cover Remove the battery cover Before Using the Remote ControlInserting the Batteries Insert the batteries Using the Remote Control Using the Remote Control and Remote Operating Range Remote Operating Range When suspended from the ceilingOperating angle horizontal Operating angle vertical Setting Up the Projector Installation Screen Size and Projection Distance EMP-821EMP-81/61 Screen Eligible Computers Connecting to a Computer If the Monitor Port is a Mini D-Sub 15-pin Port Example Projecting Images from the Computer Computer Mouse used Applicable cable Right click Drag and drop Moving the mouse pointer Left click Video images cannot be output to an external monitor Connecting to an External Monitor Projecting Composite Videog Images Connecting to a Video Source Projecting Component Video Images Projecting S-Video Images Projecting RGB Video Images Use the accessory computer cable to make the connections Playing Sound from Video Equipment If the video signals are being input to the Video port Preventing theft Password Protect When Password Protect is enabledWhen Power on Protect is enabled on Setting Password Protect To set a password, select Password and then press Enter the setting time as a number of up to 4 digitsEnter a 4-digit password Re-enter the password that you entered in step Basic Operations Turning the Projector On Connecting the Power Cable Turning the Power On and Projecting Images If more than one external device is connected to Projector, use the remote control or projector control Press the Power button Turn off the power for the signal sources that arePress the Power button once more Turning the Projector Off If not using the projector for a long period, unplug Power cable from the electrical outletAttach the lens cover Adjusting the Image Size Zoom Function Adjusting the Screen ImageFocusing the Screen Image Adjust by turning the zoom ring Seen from above Seen from the side Foot adjust lever Front Manually Correcting Keystone Distortion Adjusting the Image Quality Adjusting Computer Images and RGB Video ImagesAutomatic Setup Adjusting the Tracking After making the adjustment, press the Menu buttonTo exit the configuration menu Adjusting the Sync Signal configuration menuProjectors control panel, and then select Sync. from Mode Application Selecting the Projection Quality Colour Mode Selection Adjusting the Volume Advanced Operations Functions for Enhancing Projection MutePress the A/V Mute button Freeze Press the Freeze buttonAspect ratio changes each time the Resize button is pressed Press the E-Zoom button ZoomMove the cross to the area of the image that is to be Enlarged or reduced Pointer function Tilt the button to move the pointer iconPress the Pointer button Using the Configuration Menu Functions Image Menu List of Functions Red GreenBlue Component videog/ Composite videog/ S-Videog Adjust the intensity of the red components Median value Sync.g Signal Menu Using the Configuration Menu Functions Component videog Composite videog/ S-Videog Using the Configuration Menu Functions OFF Setting Menu Using the Configuration Menu Functions Message Extended MenuBackground Color Startup Screen Sleep Mode Direct Power on Using the Configuration Menu Functions Info Menu Sp.29 Reset Menu Confirm the selection Using the Configuration MenusPress the Menu button Select a menu item Change the setting Select a sub-menu itemClose the menu Troubleshooting Press the Help button Using the Help Through the menu to more detailed items Repeat the operations in steps 2 and 3 to proceed Problems Solving Reading the IndicatorsPower indicator lights red Problems Solving Lamp or Temp indicator flashes orange Normal Power does not turn on sp.81 When the Indicators Provide No HelpNo images appear sp.75 Image is truncated large or small sp.79 Problems relating to images Does the mode match the frequency Is Sleep Mode set to ON?Resolution of the image signals? Projection stops automatically Turned on? Are the image signals being output to Is the power for the computer or video sourceHas the focus been adjusted correctly? Is the keystone adjustment value too large? Have the Sync.g and Trackingg settings Has the correct resolution been selected?Been adjusted correctly? Interference or distortion appear in images Has the Resize been set correctly? Zoom function? Has the Position setting been adjustedIs the image still being enlarged by Correctly? Has the image brightness been adjusted Do the input signal settings match the signalsHas the image contrastg been adjusted Has the colour been adjusted correctly? Problems when projection starts Other problems List of Supported Monitor Displays List of ESC/VP21 Commands100 102 Cleaning MaintenanceCleaning the Projectors Surface Cleaning the Lens When the Lamp indicator is flashing orange Lamp Replacement PeriodReplacing Consumables Projected image gets darker or starts to deteriorate Buzzer sounds, and then disconnect the power cable Turn off the projectors power, wait until the coolReplacing the Lamp Down period has ended and a pip-pip confirmation Install the new lamp Take out the lamp Install the lamp cover Select Lamp-Hours Reset from the Reset menu Resetting the Lamp Operating TimeThen press the Enter button Select Yes and then press the Enter button Remove the air filter Replacing the Air Filter Install the new air filter Select User’s Logo from the Extended menu, Saving a Users Logo Image to be recorded and a selection marquee Select Yes in the sub-menu, then press the EnterBox will be displayed. Move the marquee box to select Part of the image to use Select the zoom rate in the Zoom rate setting screen Select Yes at the confirmation screen, and thenPress the Enter button Optional Accessories and Consumables Optional AccessoriesConsumables Glossary Resize display Squeeze modeSecurity lock SRGB List of ESC/VP21 Commands Command ListCommunication Protocol Cable Layouts USB connectionSerial connection USB Connection Setup Computer/RGB Video List of Supported Monitor DisplaysComponent Video/RGB Video Composite Video/S-Video 100 Specifications 101 Specifications 102 Appearance 103 Index 104 Index 105 Declaration of Conformity 106 107 General Notice