Epson Projector Emp S4 User Manual

							TroubleshootingThis chapter describes how to identify problems and what to do if a problem is found.Using the Help ..................................................... 41
Problems Solving................................................ 43
 Reading the Indicators........................................................ 43 Power indicator lights red .......................................................... 43
 Lamp or Temp indicator flashes orange .................................... 45 When the Indicators Provide No Help .............................. 46 Problems relating to images ...................................................... 47
 Problems when projection starts ................................................ 52
 Other problems .......................................................................... 52 
						

							41
Using the HelpIf a problem occurs with the projector, the Help function uses on-screen 
displays to assist you in solving the problem. It uses a series of menus in a 
question and answer format.
PROCEDUREA
Display the Help menu.
B
Select a menu item.
C
Confirm the selection.
Using the control panel
Using the remote control
Using the control panel
Using the remote controlUsing the control panel
Using the remote control 
						

							42
Using the HelpD
Repeat the operations in steps 2 and 3 to proceed 
through the menu to more detailed items.
E
Press the [Help] button to exit the help menu.
If the Help function does not provide a solution to the 
problem, refer to Problem Solving sp.43  
						

							43
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.46Reading 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.
Indicates the operating status of the projector.
 Orange : 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.
Green : Warm-up in progress 
Warm-up time is approximately 30 seconds. After warm-up is complete, the indicator will stop flashing.
Green : Projection in progress
Indicates the projection lamp status.
Indicates the internal temperature status.
Abnormal
Red
Red
Red PowerRed
Red Power 
						

							44
Problems Solving
High 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.
 If the air filters are blocked, clean or replace them. sp.56, p.62If 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 problem
Lamp timer failure
Lamp cover is open
Check that the lamp is not cracked and that the air filter and air intake vent are clear.
 Remove the lamp and check if it is cracked. sp.59
 Clean the air filter and the air intake vent. sp.56If it is not cracked 
→
Replace the lamp and turn on the power.
If error still occurs →
Replace it with a new lamp and turn on the power.
If error still occurs →
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.
If it is cracked 
→
Contact your dealer or the nearest address provided in the International 
Warranty Conditions section of the Safety Instructions/World-Wide Warranty 
Te r m s booklet. 
(You cannot continue projecting until the lamp is replaced).
Check that the lamp cover and the lamp are securely installed. sp.59
If the lamp cover or the lamp is not securely installed, the lamp does not switch on.When using above an altitude of about 1500m, make sure you set the High Altitude 
Mode to On. sp.37       : lit    : flashing    : off
Status
Cause
Remedy or Status
Red
Red PowerRed
Red Power 
						

							45
Problems Solving
Lamp or Temp indicator flashes orange
       : lit    : flashing    : off
Status
Cause
Remedy or Status
High temperature warning
(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. 
 If the air filters are clogged, clean or replace them. sp.56, p.62
Lamp replacement notification
Replace the lamp with a new one. sp.59
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.
 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.
War ning
Red
Orange PowerOrange Power 
						

							46
Problems SolvingWhen the Indicators Provide No Help
If 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.47
Projection does not start, the projection area is completely black, the 
projection area is completely blue, and so on.Projection stops automatically sp.47The message Not Supported. is displayed sp.48The message No Signal. is displayed sp.48Images are fuzzy or out of focus sp.49Interference or distortion appear in images sp.49
Problems such as interference, distortion or black & white checked 
patterns appear.Image is truncated (large) or small sp.50
Only part of the image is displayed.Image colours are not right sp.51
The whole image appears purplish or greenish, images are black & 
white, colours appear dull, and so on.
(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.51Nothing appears on the external monitor sp.51Problems relating to images
Power does not turn on sp.52No sound can be heard or the 
sound is faint sp.52The remote control does not work 
sp.53Problems when projection startsOther problems 
						

							47
Problems Solving
 No images appear
 Projection stops automatically
Problems relating to images
Check
Remedy
Was the [Power] button pressed?
Press the [Power] button to turn the power on.
Are the indicators switched off?
The power cable is not connected correctly or power is not being supplied normally. Connect the 
projectors power cable correctly. sQuick Start Guide
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.20
Have the configuration menu settings 
been made correctly?
Reset all of the settings. Reset - Reset All sp.39
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.34
Is the A/V mute slide still closed?
Open the A/V mute slide.
Check
Remedy
Is Sleep Mode set to On?
If you do not want sleep mode to be used, change the Sleep Mode setting to Off. Extended - 
Operation - Sleep Mode sp.37
Only when projecting computer images
Only when projecting images 
from a video source 
						

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Problems Solving
 The message Not Supported. is displayed
 The message No Signal. is displayed
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.34
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 Displayssp.70
Check
Remedy
Are the cables connected correctly?
Check that all of the cables required for projection are securely connected. sQuick Start Guide
Has the correct video input port been 
selected?
Press the [Computer], [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.18
Is the power for the computer or video 
source turned on?
Turn the power on for the devices.
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. sQuick Start Guide
Only when projecting images 
from a video source
Only when projecting computer images
Only when projecting images from 
a laptop computer or computer 
with a built-in LCD screen 
						

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Problems Solving
 Images are fuzzy or out of focus
 Interference or distor tion appear in images
Check
Remedy
Has the focus been adjusted correctly?
Turn the focus ring on the projector to adjust the focus.
Is the projector at the correct distance?
The recommended projection distance ranges from 87cm to 1212cm. sQuick Start Guide
Is the keystone adjustment value too 
large?
Decrease the projection angle to reduce the amount of keystone correction. sQuick Start Guide
Is the zoom adjustment value too small?
Enlarge the zoom adjustment value. sQuick Start Guide
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.
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.34
Are the cables connected correctly?
Check that all of the cables required for projection are securely connected. sQuick Start Guide
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.70 sComputer documentation
Have the Sync.
g and Tracking
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 functions. sp.12, p.13
Only when projecting images 
from a video source
Only when projecting computer imagesComputer and RGB video signals only