Epson Projector Emp 821 User Manual

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Using the Help
Repeat the operations in steps 2 and 3 to proceed 
through the menu to more detailed items.
The help menu is cleared when the [Help] button is pressed.
4
TIP
If the Help function does not provide a solution to the problem, refer 
to Problem Solving sp.71  
						

							71
Problems SolvingIf you are having a problem with the projector, first check the projectors indicators and refer to Reading the Indicators below.
If the indicators do not show clearly what the problem might be, refer to When the Indicators Provide No Help. sp.74Reading the Indicators
The projector is provided with the following three indicators which indicate the operating status of the projector.
The following tables show what the indicators mean and how to remedy problems that they indicate.
If all indicators are switched off, check that the power cable is connected correctly and that power is being supplied normally.Power indicator lights red
       : lit    : flashing    : off
Status
Cause
Remedy or Status
Internal error
Stop using the projector, disconnect the power cable from the electrical outlet, and contact your 
dealer or the nearest address provided in the International Warranty Conditions section of the 
Safety Instructions/World-Wide Warranty Terms booklet.
Fan related error/
Sensor error
Stop using the projector, disconnect the power cable from the electrical outlet, and contact your 
dealer or the nearest address provided in the International Warranty Conditions section of the 
Safety Instructions/World-Wide Warranty Terms booklet.
Lamp indicatorPower indicatorTemp indicator
Abnormal
Red
Red
Red PowerRed
Red Power 
						

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Problems Solving
Internal temperature error
(overheating)
The lamp will turn off automatically and projection will stop. Wait for about 5 minutes. After 
about 5 minutes the projector will switch to standby mode, so check the following two points. 
After checking, press the [Power] button to turn the power back on.
• Check that the air filter and air exhaust vent are clear, and that the projector is not positioned 
against a wall. sp.17
 If the air filters are blocked, clean or replace them. sp.84, p.89If this does not solve the problem and the projector continues to overheat or the indicators continue 
to show a problem when the power is turned on, stop using the projector, disconnect the power cable 
from the wall outlet, and contact your dealer or the nearest address provided in the International 
Warranty Conditions section of the Safety Instructions/World-Wide Warranty Terms booklet.
Lamp timer failure/
Lamp out
Take out the lamp and check if it is broken. sp.86
If the lamp is not broken, put it back in and then turn the power on. If the lamp still does not turn 
on, replace it with a new lamp.
If this does not solve the problem, stop using the projector and disconnect the power cable from 
the electrical outlet. Then contact your dealer or the nearest address provided in the International 
Warranty Conditions section of the Safety Instructions/World-Wide Warranty Terms bookletIf the lamp is broken replace it with a new lamp, or contact your local dealer for further advice.
If replacing the lamp yourself, be careful to avoid pieces of broken glass.
 (Projection cannot be carried out until the lamp is replaced.)Check that the lamp and the lamp cover are securely installed. If the lamp or lamp cover is not 
securely installed, the lamp will not switch on.
Lamp or Temp indicator flashes orange
       : lit    : flashing    : off
Status
Cause
Remedy or Status
High-speed cooling in progress
(This is not an abnormality, but if the temperature rises too high again, projection will stop 
automatically.)
 Check that the air filters and air exhaust vent are clear and that they are not up against a surface 
such as a wall. sp.17
 If the air filters are clogged, clean or replace them. sp.84, p.89       : lit    : flashing    : off
Status
Cause
Remedy or Status
Red
Red PowerRed
Red Power
War ning
Red
Orange Power 
						

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Problems Solving
Lamp replacement notification
Replace the lamp with a new one. sp.86
If you continue to use the lamp after it has passed the replacement period, the possibility that the 
lamp may break will increase. Replace the lamp with a new one as soon as possible. The Power 
indicator status will vary depending on the projector status at the time.
Power indicator lights green or orange/flashes green or orange
     : lit    : flashing    : off
Status
Cause
Remedy or Status
Standby condition
Projection starts again when the [Power] button is pressed.
You can disconnect the power plug from the electrical outlet when the status light is in this 
condition.
Warm-up in progress
Warm-up time is approximately 40 seconds. After warm-up is complete, the indicator stops 
flashing.
Projection in progressCool-down in progress
Please wait.
The cool-down
g period lasts about 20 seconds.
The [Power] button will not operate if it is pressed while cool-down is in progress. When the 
cool-down period is finished and the confirmation buzzer has sounded and the indicator changes 
to light orange, repeat the operation.       : lit    : flashing    : off
Status
Cause
Remedy or Status
Orange Power
Normal
Orange PowerGreen PowerGreen PowerOrenge Power
TIP
 If the projector is not operating properly even though the indicators are all showing normal, refer to When the Indicators Provide No Help 
on the following page.
 If an indicator is showing a status which does not appear in the previous tables, contact your dealer or the nearest address provided in the 
International Warranty Conditions section of the Safety Instructions/World-Wide Warranty Terms booklet. 
						

							74
Problems SolvingWhen the Indicators Provide No HelpIf any of the following problems occur and the indicators do not offer a solution, refer to the pages given for each problem.
No images appear sp.75
Projection does not start, the projection area is completely black, the 
projection area is completely blue, etc.Can not switch projection to a video source by pressing the 
[Source Search] button sp.75Projection stops automatically sp.76The message Not Supported. is displayed sp.76The message No Signal. is displayed sp.77Images are fuzzy or out of focus sp.77Interference or distortion appear in images sp.78
Problems such as interference, distortion or black & white checked 
patterns appear.Image is truncated (large) or small sp.79
Only part of the image is displayed.Image colours are not right sp.80
The whole image appears purplish or greenish, images are black & 
white, colours appear dull, etc.
(Computer monitors and LCD screens have different colour 
reproduction performance, so that the colours projected by the 
projector and the colours appearing on the monitor may not 
necessarily match, but this is not a sign of a problem.)Images appear dark sp.81Nothing appears on the external monitor sp.81Problems relating to images
Power does not turn on sp.81No sound can be heard or the 
sound is faint sp.82The remote control does not work 
sp.82The fans do not stop when power 
is turned off sp.82Problems when projection startsOther problems 
						

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Problems Solving
 No images appear
 Can not switch projection to a video source by pressing the [Source Search] button
Problems relating to images
Check
Remedy
Was the [Power] button pressed?
Press the [Power] button to turn the power on.
Are both indicators switched off?
The power cable is not connected correctly or power is not being supplied normally. Connect the 
projectors power cable correctly. sp.31
Check that your power supply socket is working.
Is A/V Mute mode active?
Press the [A/V Mute] button on the remote control to cancel the mute. sp.46
Has Message been set to OFF?
If the Message command is set to OFF, set it to ON so that messages can be displayed. When 
a message is displayed, refer to the item that it indicates.
Extended - Display - Message sp.61
Have the configuration menu settings been 
made correctly?
Reset all of the settings. Reset - Reset All sp.65
Is the projected image completely black?
Some input images, such as screen savers, may be completely black.
Are the image signal format settings correct?
If a composite video
g or S-Video
g source is connected to the projector, use the Video Signal 
menu command to select the signal format. 
Signal - Video Signal sp.57
Check
Remedy
Is the image signal output from the video 
equipment?
Press the [Play] button of the video equipment.
Or press one of the source buttons on the remote control ([Computer1], [Computer2], [S-Video] or 
[Video] button) to switch to the desired source.
Only when projecting computer images
Only when projecting images 
from a video sourceOnly when projecting images 
from a video source 
						

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Problems Solving
 Projection stops automatically
 The message Not Supported. is displayed
Check
Remedy
Is Sleep Mode set to ON?
When the Sleep Mode menu command has been set to ON, the lamp turns off automatically if 
no operations are carried out for about 30 minutes while no video signal is being input. The Power 
indicator will flash orange at this time. Press the [Power] button to turn the power on. If you do not 
want sleep mode to be used, change the Sleep Mode setting to OFF.
Extended - Operation - Sleep Mode sp.62
Check
Remedy
Are the image signal format settings correct?
If a composite video
g or S-Video
g source is connected to the projector, use the Video Signal 
menu command to select the signal format. 
Signal - Video Signal sp.57
Does the mode match the frequency and 
resolution of the image signals?
Refer to the documentation provided with your computer for details on changing the resolution and 
frequency of the image signals being output from the computer. 
List of Supported Monitor Displays sp.99
Only when projecting images 
from a video source
Only when projecting computer images 
						

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Problems Solving
 The message No Signal. is displayed
 Images are fuzzy or out of focus
Check
Remedy
Are the cables connected correctly?
Check that all of the cables required for projection are securely connected. sp.18– p.25
Has the correct video input port been 
selected?
Press the [Computer1], [Computer2], [S-Video] or [Video] button on the remote control or the 
[Source Search] button on the remote control or the projectors control panel to change the image. 
sp.33
Is the power for the computer or video source 
turned on?
Turn the power on for the devices. sp.32
Are the image signals being output to the 
projector?
If the image signals are only being output to the computers LCD monitor or to the accessory 
monitor, you need to change the output to an external destination as well as the computers own 
monitor. For some computer models, when the image signals are output externally, they no longer 
appear on the LCD monitor or accessory monitor. s
 Computer documentation, under a title such as External output or Connecting an external 
monitor
If the connection is made while the power is already turned on, the function [Fn] key that switches 
the computers video signal to external output may not work. Turn the power for the projector and 
the computer off and then back on again. sp.32, p.34
Check
Remedy
Has the focus been adjusted correctly?
Turn the focus ring on the projector to adjust the focus. sp.36
Is the lens cover still attached?
Remove the lens cover. sp.31
Is the projector at the correct distance?
The recommended projection distance range of the EMP-821 is 86–1473 cm (2.8–48.3 ft.) and that 
of the EMP-81/61 is 87–1094 cm (2.9–35.9 ft.). Set the projector up so that it is within this range. 
sp.16
Is the keystone adjustment value too large?
Decrease the projection angle to reduce the amount of keystone correction. sp.39
Has condensation formed on the lens?
If the projector is suddenly taken from a cold environment to a warm environment or if sudden 
ambient temperature changes occur, condensation may form on the surface of the lens, and this may 
cause the images to appear fuzzy. Set the projector up in the room approximately one hour before it 
is to be used. If condensation forms on the lens, turn the power off and wait for the condensation to 
disappear.
Only when projecting images from 
a laptop computer or computer 
with a built-in LCD screen 
						

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Problems Solving
 Interference or distor tion appear in images
Check
Remedy
Are the image signal format settings correct?
If a composite video
g or S-Video
g source is connected to the projector, use the Video Signal 
menu command to select the signal format. 
Signal - Video Signal sp.57
Are the cables connected correctly?
Check that all of the cables required for projection are securely connected. sp.18– p.25
Is an extension cable being used?
If an extension cable is used, electrical interference may affect the signals. Use the accessory cables 
and check if this helps.
Has the correct resolution been selected?
Set the computer so that the signals that are output are compatible with this projector. 
List of Supported Monitor Displays sp.99
s Computer documentation
Have the Sync.
g and Tr a c k i n g
g settings 
been adjusted correctly?
Press the [Auto] button on the remote control or the [Enter] button on the projectors control panel to 
carry out automatic adjustment. If the images have not been adjusted correctly after using automatic 
adjustment, you can make the adjustments using the Sync. and Tracking menus. sp.41, p.42
Only when projecting images 
from a video source
Only when projecting computer imagesComputer and RGB video signals only 
						

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Problems Solving
 Image is truncated (large) or small
Check
Remedy
Has the Resize been set correctly?
Press the [Resize] button on the remote control.
 sp.47
Is the image still being enlarged by the 
E-Zoom function?
Press the [Esc] button on the remote control to cancel the E-Zoom function. sp.48
Has the Position setting been adjusted 
correctly?
If analogue RGB images from a computer or RGB video images are being projected, press the 
[Auto] button on the remote control or the [Enter] button on the projectors control panel to carry out 
automatic adjustment.
If the images have not been correctly adjusted after using the automatic setup function, adjust the 
setting manually using the Position menu command.
If signals other than analogue RGB images from a computer or RGB video images are being input, 
adjust the setting manually using the Position menu command.
Signal - Position sp.55, p.57
Has the computer been set for dual display?
If dual display has been activated in the Display Properties of the computers Control Panel, the 
projector will only project about half of the image on the computer screen. To display the whole of 
the image on the computer screen, turn off the dual display setting. 
s Computer video driver documentation
Has the correct resolution been selected?
Set the computer so that the signals that are output are compatible with this projector. 
List of Supported Monitor Displays sp.99
s Computer documentation
Only when projecting computer imagesOnly when projecting computer images