Epson Projector Emp 52 User Manual

59
Troubleshooting
This section describes how to identify problems and what to do if a 
problem is found.
Using the Help ...................................................................60
When Having Some Trouble .............................................61
 Power Indicator.................................................................................... 61
 (Warning) Indicator ...................................................................... 62
When the Indicators Provide No...

60
Using the Help
If 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.
Procedure
1Press the [Help] button on the 
projectors control panel.
The help menu will be displayed.
2Select a menu item.
If using the control panel, the 
[ Select ] buttons function as the up 
and down keys.
If using the remote control, press the [ ] 
and [ ] buttons to select an item.
3Confirm the...

61
When Having Some Trouble
If you are having a problem with the projector, first check the projectors 
indicators.
The projector is provided with the following two indicators. These indicators 
alert you to problems with projector operation.
The following tables show what the indicators mean and how to remedy 
problems that they indicate.
Power Indicator
 : lit    : flashing
StatusCauseRemedy or StatusSee 
Page
Standby 
status(Not abnormal)
The power cable should only be disconnected 
when the projector...

62
 (Warning) Indicator
 : lit    : flashing
StatusCauseRemedy or StatusSee 
Page
High internal 
temperature
(overheating)The lamp will turn off automatically and 
projection will stop. Wait for about 5 minutes 
without operating the projector. After about 5 
minutes have elapsed, unplug the power cable 
and then check the following two points.
 Check that the air inlet and air outlet are 
clear, and that the projector is not positioned 
against a wall.
 If the air filter is dirty, it should be...

63
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 at International Warranty 
Conditions in Safety Instructions/World-Wide Warranty Terms.If the lamp is broken replace by a new lamp,
or contact your local dealer for further advise.
If replacing the...

64
When 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 (Nothing at all appears)
No images appear
Poor image quality (out of 
focus or distorted)
Only part of the image is 
displayed (Large/small)
The image colours are not 
right(p.64, 65)
(p.65, 66)
(p.67) 
(p.68)Images appear dark 
Images appear greenish 
Images appear purplish
No sound can be heard
The remote control...

65
No images appear (Messages do appear)
Poor image quality (out of focus or distor ted)
Check the mode which corresponds to the frequency 
of the image signals being output from the computer.
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. (p.86)
Are the cables connected correctly?
(p.17–23)
Does the input signal match the connected source?
Use the [Source] button on the projectors...

66 Is the projector beam perpendicular to the screen?
(p.34)
Is the lens dir ty?
(p.72)
Has condensation formed on the lens?
If the projector is suddenly taken from a cold environment 
to a warm environment, 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 off the power and wait for the condensation to 
disappear.
Have the Sync.
,...

67
Only part of the image is displayed (Large/small)
Are the image signal format settings correct?
If a computer, component video
 or RGB video source is 
connected to the projector, use the Input Signal command 
in the Video menu to select the signal format which 
matches the signal connected source. (p.47, 49)
If a composite video
 or S-Video source is connected to 
the projector, use the Video Signal command in the 
Video menu to select the video signal format. (p.49)
Is the [Zoom] button setting...

68
The image colours are not right
Images appear dark
Has the image brightness been adjusted correctly?
Video - Brightness (p.47, 48)
Are the cables connected correctly?
(p.17–23)
Are the image signal format settings correct?
If the Input Signal command in the Video menu is set 
to YPbPr or YCbCr when a computer is connected, the 
projected images will appear purplish.
If a computer, component video
  or RGB video source is 
connected to the projector, use the Input Signal command 
in the Video menu...